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Richard D. Bowerman

HPHartzell Propeller: 1 patents #1 of 3Top 35%
Piqua, OH: #1 of 3 inventorsTop 35%
Ohio: #715 of 3,574 inventorsTop 25%
Overall (1989): #66,482 of 140,708Top 50%
1 Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4810167 Composite aircraft propeller blade Mark W. Spoltman, Richard L. Edinger 1989-03-07

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