Granted Patent
Utility
US 5,141,110 · App. 07/477,606
Method for sorting plastic articles
Inventors:
Glenn Trischan, Louis Cartz
Patented Case
View Patent ↗
Granted: Aug 25, 1992
Filed: Feb 9, 1990
Inventors
Glenn Trischan
Louis Cartz
Assignee (at issue)
Hoover Universal, 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.