Showing 1–7 of 7 inventors

Rank Inventor Primary Company Patents
1 Howard J. Kopel 2
2 Phillip Seawright 1
2 Hally M. Grounds 1
2 Randall L. Epperley 1
2 James P. Flanagan 1
2 Jack L. Carter 1
2 Donald G. Welch 1

Part of Oklahoma