RW

Robert S. Wisniewski

📍 Walker, MI: #1 of 6 inventorsTop 20%
🗺 Michigan: #973 of 4,313 inventorsTop 25%
Overall (1994): #72,527 of 165,921Top 45%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5328291 Locking manhole insert — 1994-07-12