Drive hinge for door mountings
United States Patent 2714741
Inventors:
Henrietta, Derman
Sidney, Derman
Publication Date:
08/09/1955
Assignee:
Henrietta, Derman
Sidney, Derman
International Classes:
E05D5/04; E05D5/00
Foreign References:
| NO43666A | | | | |
| CH216639A | | | | |
| GB445502A | | | | |
| DE511623C | | | | |