Pipe joints or couplings – Elbow
Patent
1974-04-01
1976-05-18
Arola, Dave W.
Pipe joints or couplings
Elbow
285249, 285281, F16L 5500
Patent
active
039572935
ABSTRACT:
A recoilable air hose having a two-piece swivel fitting.
REFERENCES:
patent: 1153824 (1915-09-01), Pierce
patent: 1862833 (1932-06-01), Stover
patent: 2253018 (1941-08-01), Cowles
patent: 2570406 (1951-10-01), Troshkin et al.
patent: 3262718 (1966-07-01), Droudt
patent: 3278204 (1966-10-01), Currie
patent: 3413017 (1968-11-01), Hughey
patent: 3773360 (1973-11-01), Timbers
Arola Dave W.
Nycoil Company
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