Harvey W. Janssen

📍 Lafayette, CA: #217 of 569 inventorsTop 40%

🗺 California: #149,087 of 386,348 inventorsTop 40%

Overall (All Time): #1,683,632 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4403663	Power-operated torque wrench	—	1983-09-13
4332996	Apparatus for resurfacing track links for crawler-type tractors	—	1982-06-01
4230928	Method and machine for rebuilding track roller assemblies	—	1980-10-28