United States Patent 3222806
Inventors:
Martin, Wayne D.
Publication Date:
12/14/1965
Assignee:
Martin, Wayne D.
Other Classes:
16/313, 16/303
International Classes:
E05F1/06; E06B11/04; E05F1/00; E06B11/00
US Patent References:
| 2604653 | Hinge assembly for swinging doors | | | |
| 2628441 | Cam operated self-closing gate | | | |
| 2958090 | Self-closing door hinge | | | |