Granted Patent
Utility
US 4,676,784 · App. 06/605,964
Stable disposable absorbent structure
Inventors:
Edward Erdman, Heinz A. Pieniak
Patented Case
View Patent ↗
Granted: Jun 30, 1987
Filed: May 1, 1984
Inventors
Edward Erdman
Heinz A. Pieniak
Assignee (at issue)
Personal Products Company
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.