Douglas G. Niessen

GI Gas Research Institute: 1 patents #343 of 808Top 45%

📍 Folsom, CA: #933 of 1,500 inventorsTop 65%

🗺 California: #247,236 of 386,348 inventorsTop 65%

Overall (All Time): #3,467,355 of 4,157,543Top 85%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6679120	System and method for guided boring obstacle detection	Robert W. Cribbs, Ching-Chen Wu	2004-01-20