Assignee
AUKEN JOHN A VAN
8 granted patents·244 citations·filing 1977–1987
Top patents by PatentIndex Score
8 records- 0186US4109911AGaming surface contact detecting systemsAUKEN JOHN A VAN·Filed 1977·Granted Aug 29, 1978·58 cites·6 claims
- 0281US4664378AElectrically conductive tennis ballAUKEN JOHN A VAN·Filed 1983·Granted May 12, 1987·55 cites·14 claims
- 0375US4281921APlural color anti-copying systems for xerographic and electrostatic copying machinesAUKEN JOHN A VAN·Filed 1979·Granted Aug 4, 1981·16 cites·16 claims
- 0469US4189143ATennis scorekeeperAUKEN JOHN A VAN·Filed 1977·Granted Feb 19, 1980·37 cites·14 claims
- 0567US4859986AObject touchdown and net contact detection systems and game apparatus employing sameAUKEN JOHN A VAN·Filed 1987·Granted Aug 22, 1989·46 cites·20 claims
- 0643US4299384AElectrically conductive game ballAUKEN JOHN A VAN·Filed 1979·Granted Nov 10, 1981·13 cites·27 claims
- 0738US4433840AElectrically conductive game ballAUKEN JOHN A VAN·Filed 1981·Granted Feb 28, 1984·12 cites·1 claims
- 0833US4299029AMethod of making an electrically conductive game ballAUKEN JOHN A VAN·Filed 1979·Granted Nov 10, 1981·7 cites·4 claims
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