Tank shut-off valve

Details Tank shut-off valve Tank shut-off valve

1989-02-21

1991-03-12

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Fluid handling or treatment equipment

Valve or body therefor

Patent

active

D03153991

REFERENCES:
patent: D118051 (1939-12-01), Merrill
patent: D134606 (1942-12-01), Hiller
patent: D271421 (1983-11-01), Fetterman
patent: 2421460 (1947-06-01), Merker et al.
patent: 3696964 (1972-10-01), Deakin
patent: 4380247 (1983-04-01), Douglas

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