Thomas P. Hedblom

3M: 26 patents #455 of 11,543Top 4%

CD Corning Research & Development: 2 patents #153 of 440Top 35%

📍 Eagan, MN: #23 of 891 inventorsTop 3%

🗺 Minnesota: #2,175 of 52,454 inventorsTop 5%

Overall (All Time): #138,098 of 4,157,543Top 4%

Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #	Title	Co-Inventors	Date
5227221	Patterned skid preventative sheet	—	1993-07-13
4988541	Process for making retroreflector sheet	—	1991-01-29
4988555	Patterned pavement marking	—	1991-01-29