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USPTO Patent Rankings Data through Dec 31, 2025
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Michael A. Bowman — 3 Patents

MEMartin Engineering: 3 patents #20 of 81Top 25%
Macomb, IL: #6 of 33 inventorsTop 20%
Illinois: #26,899 of 84,256 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Michael A. Bowman has been granted 3 US patents while listed as an inventor at Martin Engineering. The first was granted in 1982 and the most recent in February 1990. Michael A. Bowman ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Michael A. Bowman in Macomb, IL, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4898272 Conveyor belt support mechanism R. Todd Swinderman, Larry J. Goldbeck 1990-02-06
4825997 Pneumatically actuated tensioning arrangement for conveyor belt cleaner Larry J. Goldbeck, Richard P. Stahura, Mark N. Stern 1989-05-02
4359150 Conveyor belt cleaner Steven Frank, Richard P. Stahura, Robert Todd Swinderman 1982-11-16