William J. Purpora

📍 Whitefish Bay, WI: #2 of 12 inventorsTop 20%

🗺 Wisconsin: #325 of 1,637 inventorsTop 20%

Overall (1989): #43,383 of 140,708Top 35%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4821559	Line test isolation plug	—	1989-04-18