DS

Donald F. Stock

DI Dresser Industries: 1 patents #301 of 787Top 40%
📍 Pittsburgh, PA: #4,559 of 7,570 inventorsTop 65%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #4,006,300 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4627945 Method of manufacturing an injection molded refractory shape and composition thereof Howard M. Winkelbauer, Ke-Chin Wang, Frank Walther 1986-12-09