Shut-off valve

Details Shut-off valve Shut-off valve

1988-10-24

1991-08-06

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Fluid handling or treatment equipment

Valve or body therefor

Patent

active

D03189031

REFERENCES:
patent: D285478 (1986-09-01), Hengesbach
patent: D299520 (1989-01-01), Pechler
patent: 769031 (1904-08-01), Sticker
patent: 867399 (1907-10-01), McGill
patent: 3014690 (1960-09-01), Boteler
patent: 3157382 (1964-11-01), Perry
patent: 3398926 (1968-08-01), Scaramucci
patent: 3423067 (1969-01-01), Foster
patent: 3425451 (1969-02-01), Smith
patent: 3434691 (1969-03-01), Hamilton
patent: 4014512 (1977-03-01), Cheever et al.

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