HH

Harold R. Henderson

AR Arcair: 3 patents #8 of 27Top 30%
🗺 Ohio: #23,384 of 73,341 inventorsTop 35%
Overall (All Time): #1,671,648 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4864093 Exothermic cutting electrode Robert L. Strohl 1989-09-05
4787142 Exothermic cutting electrode David John Mosinski 1988-11-29
4697791 Exothermic cutting electrode David John Mosinski 1987-10-06