Granted Patent
Utility
US 5,497,542 · App. 08/395,748
Method of assembling an inner tube into an outer tube
Inventor:
Robert H. Sengstock
Patented Case
View Patent ↗
Granted: Mar 12, 1996
Filed: Feb 28, 1995
Inventor
Robert H. Sengstock
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.