RC

Richard E. Crooks

The Dow Chemical: 2 patents #1,449 of 4,115Top 40%
📍 Bay City, MI: #155 of 405 inventorsTop 40%
🗺 Michigan: #35,034 of 86,293 inventorsTop 45%
Overall (All Time): #2,365,907 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4322538 Preparation of symmetrical tetrachloropyridine Gail E. Vrieland, Bart J. Bremmer 1982-03-30
4321389 Process for preparing 4-bromotetrachloropyridine G. Edwin Vrieland, Bart J. Bremmer 1982-03-23