RC

Roland E. Cale

SE Schaefer Equipment: 4 patents #1 of 5Top 20%
Overall (All Time): #896,220 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4531665 Method of manufacturing clevis end connecting rod 1985-07-30
4414726 Method of manufacturing clevis end connecting rod 1983-11-15
4274277 Method of making railway car brake-rod jaw 1981-06-23
4204419 Brake-rod jaw with twisted forks 1980-05-27
4196642 Railway car brake-rod jaw 1980-04-08
4194599 Railway car brake beam lever mounting 1980-03-25