Granted Patent
Utility
US 4,929,480 · App. 07/075,382
Absorbent structure for absorbing food product liquids
Inventors:
David Midkiff, Carl G. Rippl, Nancy D. Twyman, Joseph D. Wahlquist
Patented Case
View Patent ↗
Granted: May 29, 1990
Filed: Jul 20, 1987
Inventors
David Midkiff
Carl G. Rippl
Nancy D. Twyman
Joseph D. Wahlquist
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.