Darrell E. Johnson

EO Erwin Sick Gmbh Optik-Elektronik: 1 patents #1 of 1Top 100%

📍 Fairmont, MN: #2 of 5 inventorsTop 40%

🗺 Minnesota: #695 of 2,841 inventorsTop 25%

Overall (1994): #145,383 of 165,921Top 90%

Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5341029	Method for supervising a switch	—	1994-08-23