FR

Frank L. Roberts

BI Bio-Support Industries: 7 patents #2 of 4Top 50%
📍 Toronto, CA: #971 of 9,482 inventorsTop 15%
Overall (All Time): #670,951 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
D311295 Lumbar pad 1990-10-16
4958635 Therapeutic temperature pack 1990-09-25
4731890 Pillow 1988-03-22
D293170 Portable seat 1987-12-15
4630863 Portable seat 1986-12-23
4556254 Backrest 1985-12-03
D281210 Back rest 1985-11-05
D268803 Back rest 1983-05-03