Granted Patent
Utility
US 4,488,923 · App. 06/570,332
Method for producing a fabric having unsecured elastic in areas intermittently disposed along an edge thereof
Inventor:
Heinz A. Pieniak
Patented Case
View Patent ↗
Granted: Dec 18, 1984
Filed: Jan 13, 1984
Inventor
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.