DR

Donald C. Roller

IBM: 3 patents #26,272 of 70,183Top 40%
Overall (All Time): #1,681,383 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4438917 Dual motor aligner Donovan M. Janssen, John Paul Mantey, Lance A. Walker 1984-03-27
4382592 Apparatus for collating sheets into sets and finishing thereof Steven R. Harding, Richard A. Lamos 1983-05-10
4325544 Collator with adjustable sheet aligner Robert Magno, Allan J. Rood 1982-04-20