Assignee
PRINCE MANUFACTURING CO INC
2 granted patents·41 citations·filing 1978–1979
Top patents by PatentIndex Score
2 records- 0170US4291665APropulsion device for spherical objects having an oscillating support frame providing a programmed discharge of said objectsPRINCE MANUFACTURING CO INC·Filed 1979·Granted Sep 29, 1981·28 cites·10 claims
- 0253US4233953APropulsion device for tennis balls and like spherical objects having an improved programmed discharge of the oscillatory typePRINCE MANUFACTURING CO INC·Filed 1978·Granted Nov 18, 1980·13 cites·12 claims
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