Granted Patent
Utility
US 4,480,772 · App. 06/463,783
Sleeve making method and apparatus
Inventor:
Robert Gerndt
Patented Case
View Patent ↗
Granted: Nov 6, 1984
Filed: Feb 4, 1983
Inventor
Robert Gerndt
Assignee (at issue)
Kimberly-Clark 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.