William M Leath

age ~50

from Seattle, WA

Also known as:
  • William Marshall Leath
  • William Leath
  • Bill Leath

William Leath Phones & Addresses

  • Seattle, WA
  • 1500 Highland Rd, Walla Walla, WA 99362 • 509-5267250 • 509-5298151
  • 1509 Highland Rd, Walla Walla, WA 99362 • 509-5298151
  • Kirkland, WA
  • College Place, WA


  • William Leath Photo 1

    Experienced Software Executive

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  • Location:
    Greater Seattle Area
  • Industry:
    Market Research
  • William Leath Photo 2

    Owner At Custom Advertising Displays,Inc.

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  • Location:
    United States

Us Patents

  • Self-Cleaning, Continuously Operating Filter Apparatus For Fluids

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  • US Patent:
    20080053889, Mar 6, 2008
  • Filed:
    Sep 1, 2006
  • Appl. No.:
  • Inventors:
    William M. Leath - Seattle WA, US
  • International Classification:
    B01D 33/11
  • US Classification:
    210403, 210393, 210394, 210397
  • Abstract:
    The filter apparatus for an incoming liquid which includes a retentate and a permeate includes a housing with a frame and a hollow drum assembly mounted for rotation within the housing about a fixed central cylinder. The drum assembly has openings in the drum wall. An inlet assembly delivers the incoming liquid under pressure to the drum assembly. A filter assembly is mounted to the inside of the drum. A trough assembly is mounted so as to be in communication with the central cylinder and is in a fluid-tight relationship to the interior surface of the filter assembly as the drum rotates past the trough assembly. A manifold is fixedly mounted but has a substantially fluid-tight relationship with the exterior of the drum, and is configured to cover successive columns of drum openings as the drum rotates. Pressurized gas is directed to the manifold at selected times, such that as the drum turns, and retentate is collected on the interior surface of the filter as the incoming liquid is forced through the filter assembly, pressurized fluid from the manifold dislodges the retentate off into the trough and out the outlet assembly.

Business Records

Name / Title
Company / Classification
Phones & Addresses
William Leath
Leath Manufacturing Company
Engineering Services
503 NE 72 St, Seattle, WA 98115
William Leath
Leath Services LLC
Business Consulting Services
1509 Highland Rd, Walla Walla, WA 99362
William Leath
Marketing and Advertising · Nonclassifiable Establishments · Surveying Services Prepackaged Software Services
803 Kirkland Ave SUITE 202, Kirkland, WA 98033
811 Kirkland Ave, Kirkland, WA 98033
William Leath
Deep Blue Corporation
Business Services at Non-Commercial Site
503 NE 72 St, Seattle, WA 98115


  • William Leath Photo 3

    William Leath (Lg)

  • William Leath

    William Leath Photo 4
    William Leath Photo 5


William Leath Photo 6

William Leath

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Robinson High School Tampa FL 1972-1976
John Vitch
William Leath Photo 7

william leath, West End H...

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William Leath Photo 8

William Leath, Columbia H...

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William Leath Photo 9

William Leath, Williams H...

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William Leath Photo 10

West End High School, Nas...

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Grover Littleton (1957-1961),
Judy Phillips (1963-1967),
Patsy Edwards (1963-1967),
william leath (1955-1959),
Philip Chanin (1962-1966)
William Leath Photo 11

Columbia High School, Col...

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bill same as above (1964-1968),
Sarah Peters (1993-1997),
BILL LEATH (1968-1972),
E Smith (1970-1974)
William Leath Photo 12

Walla Walla High School, ...

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Bob Weber (1979-1983),
Carroll Carl Stroe (1972-1976),
Bill Leath (1986-1990),
Joyce Gergen (1976-1980)


Miracles Happen IX Presented by Chastain Hors...

Annual Black Tie and Blue Jeans Fundraising Dinner Benefiting Chastain...

  • Category:
    Nonprofits & Activism
  • Uploaded:
    13 Apr, 2010
  • Duration:
    5m 39s


  • William Leath

  • William Leath

  • William Leath

  • William Leath

  • Bill Leath S

  • William Leath Junior Leath

  • William Leath

  • William Leath


William Leath Photo 21

William Leath

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