Door jamb
United States Patent 2538925
US Patent References:
/1085605.html
- - 1085605

Door and doorway
- - 1822251

Reversible doorframe
- - 1826516

Door frame construction
- - 1895358

Article of manufacture
- - 1994976


Inventors:
Steffan, Joseph J.
Publication Date:
01/23/1951
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Assignee:
Steffan, Joseph J.
Primary Class:
49/399
Other Classes:
49/504
International Classes:
E06B1/52
US Patent References:
2454523Door casement and method of forming the same