Universal formed metal door frame
United States Patent 2574350
US Patent References:
Corner connection for metal frames
- - 1826981
Combined buck and plinth
- - 1958168
Hollow metal door buck
- - 1995764
Entrance enclosure structure
- - 2043174
Building construction
- - 2284012
Corner connection for metal frames
- - 1826981
Combined buck and plinth
- - 1958168
Hollow metal door buck
- - 1995764
Entrance enclosure structure
- - 2043174
Building construction
- - 2284012
Inventors:
Peelle, James F.
Publication Date:
11/06/1951
View Patent Images:
Export Citation:
Assignee:
Peelle, James F.
Primary Class:
International Classes:
E06B1/60; E06B3/988; E06B1/56; E06B3/96