First stage diving regulator

Details First stage diving regulator First stage diving regulator

1983-03-21

1986-05-06

Largen, James R.

Equipment for safety, protection, and rescue

Fire extinguisher or casing therefor

Portable or hand held

D23 21

Patent

active

D02837404

REFERENCES:
patent: D186925 (1959-12-01), Zdara et al.
patent: D195070 (1963-04-01), Lecocq
patent: D195803 (1963-07-01), Elder
patent: D202318 (1965-09-01), Shugarman
patent: D202319 (1965-09-01), Shugarman
patent: D218921 (1970-10-01), Lecocq
patent: D234637 (1975-03-01), Flynn
patent: D236655 (1975-09-01), Murphy
patent: 2939471 (1960-06-01), Fay
patent: 3147761 (1964-09-01), Lecocq
patent: 3216416 (1965-11-01), Mitchell
patent: 3495607 (1970-02-01), Shugarman
patent: 3610236 (1971-10-01), Smilg
patent: 3920033 (1975-11-01), Ferrando
patent: 4219017 (1980-08-01), Shamlian et al.
patent: 4230140 (1980-10-01), Hart
patent: 4266538 (1981-05-01), Ruchti

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