Title:
Door frame and sill therefor
United States Patent 2898642
US Patent References:
/RE21001.html
- - RE21001

/0718926.html
- - 0718926

Flexible threshold
- - 1700152

Window frame
- - 1917845

Method of constructing and installing windows
- - 1995233


Inventors:
Etling, Harold A.
Publication Date:
08/11/1959
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Assignee:
WEATHER SEAL INC
Primary Class:
52/210
International Classes:
E06B1/70
US Patent References:
2823429Doorway construction