Granted Patent
Utility
US 4,413,623 · App. 06/235,187
Laminated structures having gathered and ungathered marginal portions and method of manufacturing the same
Inventor:
Heinz A. Pieniak
Patented Case
View Patent ↗
Granted: Nov 8, 1983
Filed: Feb 17, 1981
Inventor
Heinz A. Pieniak
Assignee (at issue)
Johnson & Johnson Baby 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.