John K. Pethullis

PL Portasilo Limited: 1 patents #1 of 1Top 100%

📍 Long Beach, NY: #3 of 12 inventorsTop 25%

🗺 New York: #1,999 of 7,187 inventorsTop 30%

Overall (1997): #53,026 of 185,788Top 30%

Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5622467	Discharge means for a silo	—	1997-04-22