Individual holder
CHU DAVID T
TW·3 granted patents·54 citations·filing 1986–1993
Individually held — no corporate assignee on record.
Technology mixA63B3
Top patents by PatentIndex Score
3 records- 0146US5269515AMachine for stringing game racketCHU DAVID T·Filed 1993·Granted Dec 14, 1993·21 cites·6 claims
- 0244US5186505AChucking device of racket stringing machineCHU DAVID T·Filed 1992·Granted Feb 16, 1993·20 cites·10 claims
- 0334US4699378ATennis ball throwing machineCHU DAVID T·Filed 1986·Granted Oct 13, 1987·13 cites·4 claims
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