FC

Frederick E. Coffman

CH Chemcut Holdings: 2 patents #7 of 23Top 35%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 State College, PA: #345 of 1,195 inventorsTop 30%
🗺 Pennsylvania: #23,606 of 74,527 inventorsTop 35%
Overall (All Time): #1,605,826 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6779552 Domestic hot water distribution and resource conservation system 2004-08-24
5007968 Process and apparatus for treating articles of substantial thickness Charles H. Pelton 1991-04-16
4755105 Impeller improvement G. Allen Blakeslee 1988-07-05