Douglas A Hillen, 68180 Blondy Jhune Rd, Allen, TX 75002
Douglas Hillen Phones & Addresses
180 Blondy Jhune Rd, Allen, TX 75002 214-4958940
Dallas, TX
Plano, TX
180 W Blondy Jhune Rd, Allen, TX 75002
Work
Position:
Sales Occupations
Mentions for Douglas A Hillen
Publications & IP owners
Us Patents
Turbine Ventilator Cover
US Patent:
4374534, Feb 22, 1983
Filed:
Sep 22, 1980
Appl. No.:
6/188780
Inventors:
Victor H. Jespers - Wichita KS
Douglas A. Hillen - Dallas TX
Douglas A. Hillen - Dallas TX
International Classification:
B65D 3700
US Classification:
150 52R
Abstract:
A cover for covering a turbine ventilator has a cover body including a first body member having a first body edge and a first body base edge, and a second body member has a second body edge and a second body base edge. An internal seal is bound to a portion of the internal surface of the first body in proximity to the periphery of the first body edge; a first body base seal essentially circumscribes and is bound to a portion of the internal surface of the base of the first body in proximity to the first body base edge. A second body base seal similarly circumscribes and is similarly bound to a similar portion of the internal surface of the base of the second body as the first body and in general proximity to the second body base edge.
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