Title:
Self-closing door hinge
United States Patent 3098258


Inventors:
Ruiz, William B.
Application Number:
US10366961A
Publication Date:
07/23/1963
Filing Date:
03/01/1961
Assignee:
Ruiz, William B.
Primary Class:
Other Classes:
16/312
International Classes:
E05F1/12; E05F1/06
View Patent Images:
US Patent References:
2604654Hinge assembly for swinging doors1952-07-29
1051826N/A1913-01-28