Granted Patent
Utility
US 4,940,690 · App. 07/224,691
Clean release laminate construction with latent image
Inventor:
Hugh B. Skees
Patented Case
View Patent ↗
Granted: Jul 10, 1990
Filed: Jul 27, 1988
Inventor
Hugh B. Skees
Assignee (at issue)
Standard Register, 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.