Granted Patent
Utility
US 4,668,147 · App. 06/909,550
Sheet stacking and transferring device
Inventors:
Charles A. Sample, Ronald L. Lotto
Patented Case
View Patent ↗
Granted: May 26, 1987
Filed: Sep 22, 1986
Inventors
Charles A. Sample
Ronald L. Lotto
Assignee (at issue)
FMC CORPORATION
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.