Granted Patent
Utility
US 4,300,562 · App. 06/120,195
Laminated structures having gathered marginal portions
Inventor:
Heinz A. Pieniak
Patented Case
View Patent ↗
Granted: Nov 17, 1981
Filed: Feb 11, 1980
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.