John M. Menhart

📍 Dorpsstraat, PA: #210 of 560 inventorsTop 40%

🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%

Overall (All Time): #2,165,946 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
RE38989	Skimmer filters for ponds	Gary G. Wittstock, David B. Duensing	2006-02-28
6054045	Skimmer filters for ponds	Gary G. Wittstock, David B. Duensing	2000-04-25