RH

Richard H. Hayes

EI Eagle-Picher Industries: 4 patents #6 of 101Top 6%
📍 Tallmadge, OH: #77 of 212 inventorsTop 40%
🗺 Ohio: #18,857 of 73,341 inventorsTop 30%
Overall (All Time): #1,300,890 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4896531 Sidewall appearance monitor 1990-01-30
4885936 Automatic loadwheel cleaner 1989-12-12
4294144 Apparatus for cutting sheet molding compound 1981-10-13
4241300 Circuit responsive to rate change in amplitude of analog electrical signal for use in tire processing apparatus Robert W. Herrmann 1980-12-23