John W. Dorris, Jr.

📍 Tucson, AZ: #2,413 of 6,004 inventorsTop 45%

🗺 Arizona: #13,050 of 32,909 inventorsTop 40%

Overall (All Time): #2,252,289 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5944458	Boring machine alignment system and method of use	—	1999-08-31
5222295	Method for repairing diesel engine cylinder blocks	—	1993-06-29