Richard D. Royce, Jr.

HE Hercules: 1 patents #345 of 715Top 50%

📍 Longmeadow, MA: #131 of 208 inventorsTop 65%

🗺 Massachusetts: #56,664 of 88,656 inventorsTop 65%

Overall (All Time): #3,926,868 of 4,157,543Top 95%

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Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4826970	Carboxymethyl hydrophobically modified hydroxyethylcellulose	Albert R. Reid	1989-05-02