FB

Frank P. Brown

📍 Toronto, CA: #3,468 of 9,482 inventorsTop 40%
Overall (All Time): #2,326,792 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4967646 Portable floor air duct 1990-11-06
4660583 Interdental stimulator 1987-04-28