John W. Dirksing — 2 Patents at Finn

John W. Dirksing has been granted 2 US patents while listed as an inventor at Finn. The first was granted in 1985 and the most recent in April 1989. John W. Dirksing ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list John W. Dirksing in Cincinnati, OH, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
4819935	Training bat for ball games	John L. Dirksing, William P. Dirksing	1989-04-11
4524916	Dispersing machine for large bales	Richard E. Keyes	1985-06-25	$578,000

John W. Dirksing — 2 Patents

Issued Patents All Time

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