Home › Inventors › Eugene R. DeFrange

Eugene R. DeFrange — 3 Patents

Krebs, OK: #1 of 1 inventorsTop 100%

Oklahoma: #3,359 of 12,736 inventorsTop 30%

Overall (All Time): #1,651,113 of 4,157,543Top 40%

3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
5418997	Sanitary sewer derooting tool	—	1995-05-30
D308642	Butt hinge mortise guide	—	1990-06-19
4607438	Wall and rafter layout tool	—	1986-08-26