John T. Hewitt

📍 Philadelphia, PA: #17 of 104 inventorsTop 20%

🗺 Pennsylvania: #570 of 2,652 inventorsTop 25%

Overall (1982): #52,836 of 81,411Top 65%

Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4351293	Diesel vehicle speed control system	—	1982-09-28