Granted Patent
Utility
US 4,581,087 · App. 06/463,781
Method of making a thermoplastic adhesive-coated tape
Inventor:
David A. Johnson
Patented Case
View Patent ↗
Granted: Apr 8, 1986
Filed: Feb 4, 1983
Inventor
David A. Johnson
Assignee (at issue)
The Kendall Company LP
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.