F. Robert Hubbard

IR Imco Recycling: 1 patents #7 of 11Top 65%

📍 Knoxville, TN: #1,662 of 2,927 inventorsTop 60%

🗺 Tennessee: #10,964 of 20,272 inventorsTop 55%

Overall (All Time): #3,794,413 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5300136	Potassium fertilizer from aluminum reclamation by-products	William O. Stauffer	1994-04-05