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Benjamin R. Hazen — 1 Patent in 2021

INInterplastic: 1 patents #1 of 4Top 25%

Roseville, MN: #30 of 69 inventorsTop 45%

Minnesota: #2,374 of 7,038 inventorsTop 35%

Overall (2021): #518,510 of 548,734Top 95%

1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
11180632	Unsaturated polyester resin system for cured in-place piping	David J. Herzog, Louis R. Ross, Joel R. Weber	2021-11-23