Drain fitting

Details Drain fitting Drain fitting

1986-03-13

1990-04-03

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Fluid handling or treatment equipment

Fitting

4651

Patent

active

D03070468

REFERENCES:
patent: D33225 (1900-09-01), Thompson
patent: D167736 (1952-09-01), Bowman
patent: D254804 (1980-04-01), Ballard
patent: 695038 (1902-03-01), Craig
patent: 1416270 (1922-05-01), Deming
patent: 1779255 (1930-10-01), Killander
patent: 2065347 (1936-12-01), Schulse
patent: 2266043 (1941-12-01), Hutchins
patent: 2376729 (1945-05-01), Sherburne
patent: 2394094 (1946-02-01), Nichol
patent: 2618356 (1952-11-01), Matheis
patent: 2988755 (1961-06-01), Roland
patent: 3315279 (1967-04-01), Nolan
patent: 4106133 (1978-08-01), Roberts

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