Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent
1992-08-13
1994-04-19
Burke, Wallace R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
D23351, D23353, D23411
Patent
active
D03462080
REFERENCES:
patent: D286673 (1986-11-01), Kahn
patent: D325432 (1992-04-01), Cook
patent: 2661895 (1953-12-01), Frick
patent: 2759412 (1952-11-01), Knapp
patent: 2985092 (1961-05-01), Gamache
patent: 4773310 (1988-09-01), Corwin
patent: 5110263 (1992-05-01), Chiu
patent: 5184475 (1993-02-01), Matsumi
Advertisement Hawf-2080 Published by Holmes Product Corporation, Copyright 1990.
Photographs Depecting Fan Marketed by Duracraft Corp. Sudbury, Mass. Model #DW-612.
Advertisement Marvin 2000 Published by Marvin Manufacturing Company-Sep. 1990.
Burke Wallace R.
Dybvig Roger S.
Lichtenstein Lisa
The W. B. Marvin Manufacturing Company
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