John G. Hatfield

AM Amp: 2 patents #42 of 310Top 15%

📍 Camp Hill, PA: #3 of 14 inventorsTop 25%

🗺 Pennsylvania: #313 of 3,759 inventorsTop 9%

Overall (1989): #23,867 of 140,708Top 20%

Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
D303917	Multiple stroke ratchet tool for crimping, cutting or the like	—	1989-10-10
4809571	Automatic fast take up for use with ratchet hand tool	—	1989-03-07