FH

Frank E. Harris

UN Unknown: 4 patents #4,220 of 83,584Top 6%
📍 New Rockford, ND: #1 of 5 inventorsTop 20%
🗺 North Dakota: #797 of 2,395 inventorsTop 35%
Overall (All Time): #2,273,358 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5670757 Exhaust silencer for engines and generators — 1997-09-23
4468888 Gate assembly by Beverly I. Lovejoy, administratix 1984-09-04