Assignee
TENNIS MACHINES INC
3 granted patents·42 citations·filing 1975–1980
Technology mixA63B3
Top patents by PatentIndex Score
3 records- 0152US3988022ARacket stringing machineTENNIS MACHINES INC·Filed 1975·Granted Oct 26, 1976·24 cites·11 claims
- 0234US4125259AString clamping device and support structure therefor for racket and like stringing machinesTENNIS MACHINES INC·Filed 1977·Granted Nov 14, 1978·12 cites·16 claims
- 0326US4366958ARacket stringing machinesTENNIS MACHINES INC·Filed 1980·Granted Jan 4, 1983·6 cites·12 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →