David R. Ferrell

🗺 Virginia: #12,642 of 34,511 inventorsTop 40%

Overall (All Time): #2,354,339 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
D280973	Grounding wire clamp	—	1985-10-15
4533102	Grounding wire clamping device	—	1985-08-06