Granted Patent
Utility
US 5,368,157 · App. 08/145,881
Pre-packaged, pre-soaked cleaning system and method for making the same
Inventors:
Charles R. Gasparrini, Walter H. Cano
Patented Case
View Patent ↗
Granted: Nov 29, 1994
Filed: Oct 29, 1993
Inventors
Charles R. Gasparrini
Walter H. Cano
Assignee (at issue)
Baldwin Graphic 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.