Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1993-12-01
1995-10-10
Lichtenstein, Lisa P.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D03631176
REFERENCES:
patent: 4171937 (1979-10-01), Greenfield
Brochure entitled "36" and 48" Grower Fans," Aerotech, Inc., Jan., 1993.
Brochure entitled "Controlled Environment Systems for Farm Buildings-Type NBF Fans," American Coolair Corporation, Mar., 1992.
Brochure entitled "Controlled Environment Systems for Farm Buildings: Farm Building Ventilation-Type NCF Fans," American Coolair Corporation, Nov., 1992.
Brochure entitled "Assembly Instructions and Parts Manual: Vertical Belt-Drive Fans-Models 3C145 through 3C151A," Dayton Electric Manufacturing Co. (undated) Applicant believes these Fans were in Public Domain 1 Yr. Prior to Dec. 1993.
Brochure entitled "Create Profits Through Proper Ventilation," Hired-Hand Inc. (undated), Applicant Believes these Fans were in Public Domain 1 yr. Prior to Dec. 1993.
CTB Inc.
Lichtenstein Lisa P.
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