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United States Patent 3393471
US Patent References:
Storm door assembly
- - 3024501
Door frame of plastics for room doors
- - 3130455
Storm door assembly
- - 3177924
Combination metal door and door frame unit
- - 3296743
Shaped element of plastic material for composite door frames
- - 3349519
Inventors:
Skowlund, David T.
Meadows, David F.
Publication Date:
07/23/1968
View Patent Images:
Download PDF 3393471
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Assignee:
GOODRICH CO B F
Primary Class:
49/475.100
Other Classes:
49/504, 49/495.100
International Classes:
E06B7/23
;
E06B7/22