Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Valve or body therefor
Patent
1997-06-16
1999-02-02
Zarfas, Louis S.
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Valve or body therefor
D23303, 2301
Patent
active
D04051629
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patent: 2096602 (1937-11-01), Weingarten
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The Architectural Record, Speakman Showers & Fixtures, Modern Diamond Design, May 1936, p. 53.
Doughty Frederic C.
Mark Darren M.
Emhart Inc.
Watterson Eric
Weinstein Harold
Zarfas Louis S,.
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