Granted Patent
Utility
US 4,904,521 · App. 07/357,397
Melt-blown nonwoven wiper
Inventors:
Malcolm L. Johnson, Tracey A. Burbank, Mark D. Strickland
Patented Case
View Patent ↗
Granted: Feb 27, 1990
Filed: May 26, 1989
Inventors
Malcolm L. Johnson
Tracey A. Burbank
Mark D. Strickland
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.