Universal pneumatic swivel

Details Universal pneumatic swivel Universal pneumatic swivel

1981-01-30

1983-08-30

Burke, Wallace R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

D2301

Patent

active

D02703696

REFERENCES:
patent: D137384 (1944-02-01), Corley
patent: D157806 (1950-03-01), Warren
patent: D166650 (1952-04-01), Warren
patent: D237968 (1975-12-01), Olson
patent: D258078 (1981-01-01), Gallagher
patent: 664479 (1900-12-01), Hughson
patent: 757493 (1904-04-01), Pettingell
patent: 1053621 (1913-02-01), McAllister
patent: 1185666 (1916-06-01), Hettenbaugh et al.
patent: 2083970 (1937-06-01), Walter
patent: 2292328 (1942-08-01), Sisk
patent: 2554514 (1951-05-01), Wright et al.
patent: 2745682 (1956-05-01), Chevallier
patent: 3166252 (1965-01-01), O'Brien et al.
patent: 3210099 (1965-10-01), Franck
patent: 3558163 (1971-01-01), Moore et al.
patent: 4111465 (1978-09-01), Knight
Parker & Hannifin-Hose Products Division pp. 94, 97.

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