DD

David Diperstein

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Glenside, PA: #50 of 164 inventorsTop 35%
🗺 Pennsylvania: #19,182 of 74,527 inventorsTop 30%
Overall (All Time): #1,294,929 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5341554 Method for repairing a cracked metal part using repair plugs coated with a surface layer of zinc 1994-08-30
4730968 Self-tapping, self-aligning thread repair insert Joseph D. Pagliuca 1988-03-15
4599781 Method of repairing cracked thin metal parts 1986-07-15
4247973 Method and apparatus for repairing cracked metal parts 1981-02-03