William J. Petrovic

📍 Chicago, IL: #103 of 426 inventorsTop 25%

🗺 Illinois: #1,118 of 4,656 inventorsTop 25%

Overall (1997): #182,195 of 185,788Top 100%

Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5669178	Automatic Christmas tree waterer	—	1997-09-23