Granted Patent
Utility
US 4,658,144 · App. 06/756,392
System for alignment and feeding cooperating fabric parts in sewing operations
Inventor:
Gene F. Croyle
Patented Case
View Patent ↗
Granted: Apr 14, 1987
Filed: Jul 17, 1985
Inventor
Gene F. Croyle
Assignee (at issue)
Levi Strauss & Co.
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.