William A. Putman

NI Nu-Kote International: 12 patents #2 of 39Top 6%

SE Seiko Epson: 6 patents #2,663 of 7,774Top 35%

MC Malzine Co.: 3 patents #10 of 89Top 15%

AL Allis-Chalmers: 2 patents #45 of 232Top 20%

PT Pelikan Technologies: 2 patents #23 of 59Top 40%

AC American Air Filter Company: 1 patents #18 of 59Top 35%

📍 Louisville, KY: #68 of 3,201 inventorsTop 3%

🗺 Kentucky: #249 of 11,577 inventorsTop 3%

Overall (All Time): #147,695 of 4,157,543Top 4%

Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #	Title	Co-Inventors	Date
4356011	Pocket filter assembly	Charles E. Day	1982-10-26
4247316	Gas separation filter device having a handle	—	1981-01-27