Sprinkler standard

Details Sprinkler standard Sprinkler standard

1976-03-29

1977-10-25

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

D2301

Patent

active

D02461838

REFERENCES:
patent: D149912 (1948-06-01), Shook
patent: D175849 (1955-10-01), Moore, Jr. et al.
patent: 897787 (1908-09-01), Ryan
patent: 1447579 (1923-03-01), Thomas
patent: 1470639 (1923-10-01), Peller
patent: 1743537 (1930-01-01), Freese
patent: 2323701 (1943-07-01), Barksdale
patent: 2631061 (1953-03-01), Nelson
patent: 2852307 (1958-09-01), Clark
patent: 2956762 (1960-10-01), Alston
patent: 3198465 (1965-08-01), Sutton

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