John P. Robertson

📍 Newport Beach, CA: #11 of 57 inventorsTop 20%

🗺 California: #1,105 of 6,198 inventorsTop 20%

Overall (1982): #51,614 of 81,411Top 65%

Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4336445	Electrical totalizer	Thomas E. Baker	1982-06-22