MH

Martin Jay Hapeman

GE: 2 patents #138 of 1,165Top 15%
📍 McKean, PA: #1 of 7 inventorsTop 15%
🗺 Pennsylvania: #389 of 4,367 inventorsTop 9%
Overall (1997): #31,413 of 185,788Top 20%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5661378 Tractive effort control method and system for recovery from a wheel slip condition in a diesel-electric traction vehicle — 1997-08-26
5651656 Rail transportable ramps for loading semi-trailers on trains — 1997-07-29