David H. Heistand

WE West: 1 patents #261 of 400Top 70%

📍 Pottstown, PA: #180 of 315 inventorsTop 60%

🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%

Overall (All Time): #4,052,027 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4384653	Tip-off cap and closure for containers	John T. Connor, William A. Conard	1983-05-24