RS

Robert A. Spychalski

TP The Pullman: 1 patents #67 of 165Top 45%
Overall (All Time): #4,120,561 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4224877 Railway hopper car closure actuating mechanism Marvin Stark, Ronald G. Schultz 1980-09-30