Eric Gratz — 1 Patent in 2021

Worcester, MA: #30 of 123 inventorsTop 25%

Massachusetts: #4,998 of 14,123 inventorsTop 40%

Overall (2021): #463,141 of 548,734Top 85%

1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
11127992	Charge material for recycled lithium-ion batteries	Yan Wang, Qina Sa, Zhangfeng Zheng, Joseph Heelan	2021-09-21