Valve handwheel

Details Valve handwheel Valve handwheel

1981-09-03

1984-05-29

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

Patent

active

D02740869

REFERENCES:
patent: D17868 (1887-11-01), Crane
patent: D45142 (1914-01-01), Aull
patent: D66766 (1925-03-01), Flodin
patent: D153285 (1949-04-01), Hinderer
patent: D252339 (1979-07-01), Okano
patent: D252340 (1979-07-01), Okano
patent: 1160421 (1915-11-01), Lidseen
patent: 1218032 (1917-03-01), Yarnall
patent: 1218753 (1917-03-01), Forg
patent: 2118128 (1938-05-01), Yardley
patent: 2523458 (1950-09-01), Vogel

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