Combined valve indicator and handle

Details Combined valve indicator and handle Combined valve indicator and handle

1995-05-31

1996-08-27

Seifert, Ralf

Environmental heating and cooling; fluid handling and sanitary e

Fluid handling or treatment equipment

Valve or body therefor

Patent

active

D03731766

REFERENCES:
patent: D273034 (1984-03-01), Higgins
patent: D281808 (1985-12-01), Lemkin et al.
patent: D301917 (1989-06-01), Ogasawara et al.
patent: D328945 (1992-08-01), Aarthun
patent: D332823 (1993-01-01), Bonnell
patent: D333698 (1993-03-01), Gottwald
patent: 3654962 (1972-04-01), Fredd et al.
patent: 3826461 (1974-07-01), Summerfield et al.
patent: 4044990 (1977-08-01), Summerfield
patent: 4303222 (1981-12-01), Campbell
patent: 4899783 (1990-02-01), Yusko, Jr. et al.

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