Sylvester A. Girtz

📍 Crystal, MN: #3 of 5 inventorsTop 60%

🗺 Minnesota: #156 of 1,035 inventorsTop 20%

Overall (1982): #78,294 of 81,411Top 100%

Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4365925	Manhole cover lifter	—	1982-12-28