Granted Patent
Utility
US 4,750,482 · App. 06/782,651
Hydrophilic, elastomeric, pressure-sensitive adhesive
Inventor:
David L. Sieverding
Patented Case
View Patent ↗
Granted: Jun 14, 1988
Filed: Oct 1, 1985
Inventor
David L. Sieverding
Assignee (at issue)
Pfizer 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.