Window fastener construction
United States Patent 2902727
US Patent References:
/0908858.html
- - 0908858

Telescopic fastener
- - 1431674

Doorframe
- - 1948602

Observation device
- - 2229594


Inventors:
Alfonso, Samolis
Publication Date:
09/08/1959
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Assignee:
HEHR MFG COMPANY
Primary Class:
52/204.540
Other Classes:
52/656.500, 52/217, 52/214
International Classes:
E06B1/60; E06B1/56