Anti-friction ball transfer
United States Patent 2949992
US Patent References:
/0559552.html
- - 0559552
/1042336.html
- - 1042336
Apparatus for handling freight
- - 1648301
Ball transfer
- - 1963956
Container carrying vehicle
- - 2021503
/0559552.html
- - 0559552
/1042336.html
- - 1042336
Apparatus for handling freight
- - 1648301
Ball transfer
- - 1963956
Container carrying vehicle
- - 2021503
Inventors:
Weinberg, William J.
Publication Date:
08/23/1960
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Export Citation:
Assignee:
Weinberg, William J.
Primary Class:
Other Classes:
414/531, 414/522
International Classes:
B65G13/00