OJ

Ova E. Johnston

US US Dept of Health & Human Services: 3 patents #364 of 3,044Top 15%
📍 Franklin, OH: #25 of 115 inventorsTop 25%
🗺 Ohio: #18,857 of 73,341 inventorsTop 30%
Overall (All Time): #1,260,680 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7152919 Wearable kneel-sit support device Steven J. Wurzelbacher, Stephen D. Hudock 2006-12-26
6094780 Ergonomic handle for terminal insertion tool James D. McGlothlin, Cheryl Fairfield Estill 2000-08-01
5099616 Apparatus and method for reducing wood dust emissions from large diameter disc sanders while cleaning a sanding disc thereof Vladimir Hampl, Jr. 1992-03-31
4986703 Auxiliary control technology for routers Vladimir Hampl, Jr. 1991-01-22