Granted Patent
Utility
US 6,014,593 · App. 08/972,110
Memory reading module having a transparent front with a keypad
Inventor:
Hans Grufman
Patented Case
View Patent ↗
Granted: Jan 11, 2000
Filed: Nov 17, 1997
Inventor
Hans Grufman
Assignee (at issue)
Viking Sewing Machines AB
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.