Robert C. deKieffer

UN Unknown: 1 patents #29,356 of 83,584Top 40%

📍 Boulder, CO: #3,183 of 5,018 inventorsTop 65%

🗺 Colorado: #24,093 of 40,980 inventorsTop 60%

Overall (All Time): #3,592,126 of 4,157,543Top 90%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6279967	Duct joining system	John Proctor	2001-08-28