RG

Roy R. Graham

PI Ppg Industries: 2 patents #31 of 184Top 20%
📍 Centreville, VA: #1 of 4 inventorsTop 25%
🗺 Virginia: #47 of 685 inventorsTop 7%
Overall (1982): #8,500 of 81,411Top 15%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4361465 Glass fibers with improved dispersibility in aqueous solutions and sizing composition and process for making same — 1982-11-30
4330337 Glass fibers with improved dispersibility in aqueous solutions and sizing composition and process for making same — 1982-05-18