Granted Patent
Utility
US 4,605,454 · App. 06/693,030
Method of ultrasonically bonding nonwoven webs
Inventors:
John Joseph Sayovitz, Kenneth J. Mitchell, Michael P. Mathis
Patented Case
View Patent ↗
Granted: Aug 12, 1986
Filed: Jan 18, 1985
Inventors
John Joseph Sayovitz
Kenneth J. Mitchell
Michael P. Mathis
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.