RD

Robert J. Hetzel, deceased

📍 Maple Heights, OH: #2 of 3 inventorsTop 70%
🗺 Ohio: #1,244 of 4,576 inventorsTop 30%
Overall (1997): #85,604 of 185,788Top 50%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5608277 Rotary pulse generator having preset sensor gap John W. Emery 1997-03-04