John D. Pavolka

PL Pullman Rail Leasing: 1 patents #3 of 3Top 100%

TP The Pullman: 1 patents #67 of 165Top 45%

Overall (All Time): #2,338,292 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Patent #	Title	Co-Inventors	Date
4765517	Valve arrangement with retainer bracket, for hopper car outlet gate	—	1988-08-23
4239424	Method and apparatus for distribution of granular material in a railway hopper car	—	1980-12-16