Showing 1–5 of 5 inventors

Rank Inventor Primary Company Patents
1 Timothy L. Sullivan Phoenix Environmental Reclamation 5
1 William Hendricks Laser Elevations 5
3 Edward L. Melgeorge 2
#4 Virgil C. Rostvold The Hanna Mining 1
#4 Patricia A. Derfler 1

Part of Minnesota