Granted Patent
Utility
US 4,985,025 · App. 06/824,928
Adhesive closure system for disposable diapers
Inventors:
Arnold Lingertat, Morris K. Swieringa
Patented Case
View Patent ↗
Granted: Jan 15, 1991
Filed: Jan 31, 1986
Inventors
Arnold Lingertat
Morris K. Swieringa
Assignee (at issue)
McNeil-PPC, 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.