United States Patent 3139220
Inventors:
Darcy, Joseph T.
Publication Date:
06/30/1964
Assignee:
Darcy, Joseph T.
Other Classes:
222/568, 222/475, 220/737, 366/325.100, 366/605
International Classes:
B44D3/22
US Patent References:
| 2543151 | Combination plug and agitator crank | | | |
| 2543567 | Agitator shaft support | | | |