John O'Connor

AL Allis-Chalmers: 1 patents #11 of 55Top 20%

📍 Hales Corners, WI: #3 of 5 inventorsTop 60%

🗺 Wisconsin: #153 of 927 inventorsTop 20%

Overall (1982): #51,916 of 81,411Top 65%

Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4350209	Hydraulic draft control valve	—	1982-09-21