Granted Patent
Utility
US 4,756,949 · App. 06/676,090
Method for producing pad structures with viscoelastic cores and article so made
Inventors:
Wayman R. Spence, Peter Gardiner
Patented Case
View Patent ↗
Granted: Jul 12, 1988
Filed: Nov 29, 1984
Inventors
Wayman R. Spence
Peter Gardiner
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.