Dennis G. De Wald

KO Koppers: 1 patents #44 of 126Top 35%

📍 Muncy, PA: #37 of 51 inventorsTop 75%

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

Overall (All Time): #4,064,209 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4312265	Screw for extruding a food mash	William R. Enterline, James R. Boose	1982-01-26