William J. Stegmeier

📍 Concord, CA: #15 of 43 inventorsTop 35%

🗺 California: #2,144 of 10,592 inventorsTop 25%

Overall (1989): #43,085 of 140,708Top 35%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4815888	Swimming pool drain	—	1989-03-28