Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling
Patent
1997-04-21
1998-09-08
Baynham, Holly
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
2303
Patent
active
D03980421
REFERENCES:
patent: D30498 (1899-04-01), Worthington
patent: D59437 (1921-10-01), Smith
patent: 1978690 (1934-10-01), Peterson
patent: 3835294 (1974-09-01), Krohn et al.
Baynham Holly
Sherwood-Templeton Coal Company, Inc.
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