Granted Patent
Utility
US 5,297,786 · App. 07/893,727
Cleated wheel assembly and method of separating a sheet using a cleated wheel assembly
Inventors:
Philip S. LaChapelle, Ralph S. Goldstein
Patented Case
View Patent ↗
Granted: Mar 29, 1994
Filed: Jun 4, 1992
Inventors
Philip S. LaChapelle
Ralph S. Goldstein
Assignee (at issue)
Roberts Systems, 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.