DH

Douglas L. Heydt

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 West Lawn, PA: #12 of 27 inventorsTop 45%
🗺 Pennsylvania: #23,606 of 74,527 inventorsTop 35%
Overall (All Time): #1,600,030 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6925841 Closing element assembly for compound needles used in knitting machines 2005-08-09
5119643 Connection assembly and composite therefor James P. Conley, William E. Cowan 1992-06-09
4739635 Connector assembly and composite therefor James P. Conley, William E. Cowan 1988-04-26