United States Patent 3046588
Inventors:
Tobolski, Alvin W.
Cluyse, Camiel LA. C.
Publication Date:
07/31/1962
Assignee:
Tobolski, Alvin W.
Cluyse, Camiel LA. C.
Other Classes:
15/167.100, 248/683
International Classes:
A46B17/00
US Patent References:
| 2947563 | Magnetic device for removing litter | | | |