RM

Robert F. Mann

📍 Vashon, WA: #90 of 132 inventorsTop 70%
🗺 Washington: #48,111 of 76,902 inventorsTop 65%
Overall (All Time): #3,858,069 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5142726 Adjustable bristle length toothbrush — 1992-09-01