Granted Patent
Utility
US 4,407,284 · App. 06/280,675
Laminated structures having gathered and ungathered marginal portions and method of manufacturing the same
Inventor:
Heinz A. Pieniak
Patented Case
View Patent ↗
Granted: Oct 4, 1983
Filed: Jul 6, 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.