Assignee
BRIEN JOHN P O
8 granted patents·271 citations·filing 1976–1982
Top patents by PatentIndex Score
8 records- 0191US4164352AGolf swing practice matBRIEN JOHN P O·Filed 1978·Granted Aug 14, 1979·72 cites·8 claims
- 0287US4073075AGolf training deviceBRIEN JOHN P O·Filed 1976·Granted Feb 14, 1978·55 cites·8 claims
- 0376US4311312AElastic cord suspended golf practice padBRIEN JOHN P O·Filed 1980·Granted Jan 19, 1982·45 cites·12 claims
- 0474US4387896ASlidable golf practice deviceBRIEN JOHN P O·Filed 1981·Granted Jun 14, 1983·42 cites·9 claims
- 0572US4118034AGolfer's stance blockBRIEN JOHN P O·Filed 1977·Granted Oct 3, 1978·27 cites·5 claims
- 0650US4081918AGolf training deviceBRIEN JOHN P O·Filed 1976·Granted Apr 4, 1978·16 cites·5 claims
- 0744US4145055AGolf training deviceBRIEN JOHN P O·Filed 1977·Granted Mar 20, 1979·12 cites·4 claims
- 0830US4407506AGolf training deviceBRIEN JOHN P O·Filed 1982·Granted Oct 4, 1983·2 cites·7 claims
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