Granted Patent
Utility
US 5,628,614 · App. 08/405,360
Continuous motion stacking apparatus and methods
Inventors:
Irvan Leo Pazdernik, Jeffery L. Lenarz
Patented Case
View Patent ↗
Granted: May 13, 1997
Filed: Mar 16, 1995
Inventors
Irvan Leo Pazdernik
Jeffery L. Lenarz
Assignee (at issue)
Douglas Machine Inc.
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.