RH

Robert C. Hardt

HA H.A. Schlatter Ag: 1 patents #5 of 10Top 50%
Overall (All Time): #2,261,221 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5763850 Welding process with upright noncoaxial orbital transverse motion contact with electric resistance heating — 1998-06-09
4716836 Suspended rail welder — 1988-01-05