JE

John F. Ewig

PM Parker Manufacturing: 9 patents #1 of 12Top 9%
🗺 Massachusetts: #14,132 of 88,656 inventorsTop 20%
Overall (All Time): #592,717 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
D310771 Electric stapler 1990-09-25
4491262 Electro-magnetic stapling tool 1985-01-01
4367779 Hacksaw with improved blade tensioning mechanism 1983-01-11
D266221 Electric stapler 1982-09-21
4349143 Electric stapler and driver assembly therefor 1982-09-14
D256658 Rivet gun 1980-09-02
D256327 Riveter Jon S. Gardner 1980-08-12
4208792 Shearing tool 1980-06-24
4184620 Spring powered stapler 1980-01-22