Samuel W. Rich

WC W.R. Grace & Co.-Conn.: 2 patents #348 of 1,045Top 35%

📍 Needham, MA: #419 of 796 inventorsTop 55%

🗺 Massachusetts: #42,150 of 88,656 inventorsTop 50%

Overall (All Time): #2,318,913 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5048754	Conditioning system for water based can sealants	—	1991-09-17
4910369	Conditioning system for water based can sealants	—	1990-03-20