HS

Hollis Spence

WI White Consolidated Industries: 2 patents #100 of 415Top 25%
📍 Bloomington, IL: #264 of 606 inventorsTop 45%
🗺 Illinois: #26,653 of 84,256 inventorsTop 35%
Overall (All Time): #1,649,657 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5414893 Vacuum cleaner with improved assembly Leonard Hampton, Vincent Bobrosky, Paul J. Burress 1995-05-16
5383252 Vacuum cleaner with improved assembly Leonard Hampton, Vincent Bobrosky, Paul J. Burress 1995-01-24
5309601 Vacuum cleaner with improved assembly Leonard Hampton, Vincent Bobrosky, Paul J. Burress 1994-05-10