WB

William J. Birkmeyer

PI Ppg Industries: 2 patents #31 of 184Top 20%
📍 Oakmont, PA: #2 of 10 inventorsTop 20%
🗺 Pennsylvania: #204 of 2,652 inventorsTop 8%
Overall (1982): #6,484 of 81,411Top 8%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4356277 Reaction products of a polyglycidyl ether of a polyphenol and an amino acid and aqueous solubilized products therefrom 1982-10-26
4314918 Coating compositions containing organic alcoholic reactive diluents Ronald J. Lewarchik, Joseph A. Klanica, Carl C. Anderson 1982-02-09