Granted Patent
Utility
US 4,577,792 · App. 06/719,096
Robotic work fabric manipulator
Inventor:
John M. Franke
Patented Case
View Patent ↗
Granted: Mar 25, 1986
Filed: Apr 2, 1985
Inventor
John M. Franke
Assignees (at issue)
The Singer Company Limited
AVG Productions, 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.