Coupling

Details Coupling Coupling

1975-09-04

1978-02-07

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

D2301

Patent

active

D02471825

REFERENCES:
patent: D29291 (1898-08-01), Rice
patent: D185659 (1959-07-01), Campbell
patent: D208388 (1967-08-01), Graham
patent: 1490760 (1924-04-01), Black
patent: 1853584 (1932-04-01), Stoddard
patent: 2880020 (1959-03-01), Audette
patent: 3627357 (1971-12-01), Sanders

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