RY

Robert A. Yonkers

AM Amway: 1 patents #2 of 11Top 20%
📍 Grandville, MI: #1 of 10 inventorsTop 10%
🗺 Michigan: #694 of 3,452 inventorsTop 25%
Overall (1989): #60,331 of 140,708Top 45%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4823430 Vacuum cleaner with brush lift-off Henry J. Rosendall 1989-04-25