Granted Patent
Utility
US 5,229,218 · App. 07/681,248
Recyclable plastic cash register receipts
Inventor:
David V. Dobreski
Patented Case
View Patent ↗
Granted: Jul 20, 1993
Filed: Apr 8, 1991
Inventor
David V. Dobreski
Assignee (at issue)
Mobil Oil 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.