John L. Dirksing — 1 Patent | Patent Leaderboard

John L. Dirksing has been granted 1 US patent. All of these patents were granted in 1989. John L. Dirksing ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list John L. Dirksing in Cincinnati, OH, US.

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Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4819935	Training bat for ball games	William P. Dirksing, John W. Dirksing	1989-04-11

John L. Dirksing — 1 Patent

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