Granted Patent
Utility
US 4,602,580 · App. 06/693,400
Method and apparatus for forming sleeve plackets
Inventor:
Ernst Schramayr
Patented Case
View Patent ↗
Granted: Jul 29, 1986
Filed: Jan 22, 1985
Inventor
Ernst Schramayr
Assignee (at issue)
Cluett, Peabody & Co., Inc.
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.