United States Patent 2683453
Inventors:
Tong, George C.
Publication Date:
07/13/1954
Assignee:
Tong, George C.
Other Classes:
5/618, 5/915, D24/183
International Classes:
A61H1/00; A61H23/02
US Patent References:
| 2092266 | Operating table | | | |
| 2211542 | Motorized bed for vascular exercise | | | |
| 2427053 | Combination chair and table for body massaging and muscle manipulation | | | |