RI

Raymond P. Jefferis, III

GM Gulf Eastern Manufacturing: 1 patents #4 of 29Top 15%
📍 Gladwyne, PA: #1 of 5 inventorsTop 20%
🗺 Pennsylvania: #570 of 2,652 inventorsTop 25%
Overall (1982): #37,689 of 81,411Top 50%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4347127 Apparatus and method for froth flotation separation of the components of a slurry James Duttera, David J. Matteson, Alexander Szentlaszloi 1982-08-31