RH

Robert Hagstrom

AA Autopart Sweden Ab: 1 patents #3 of 6Top 50%
TO The Standard Oil: 1 patents #291 of 601Top 50%
📍 Wayne, PA: #235 of 493 inventorsTop 50%
🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,332,371 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4854629 Sun visor for motor vehicles and process for its manufacture 1989-08-08
4671801 Method for the beneficiation, liquefaction and recovery of coal and other solid carbonaceous materials Lester E. Burgess, David E. Herman, Phillip E. McGarry 1987-06-09