Granted Patent
Utility
US 5,164,740 · App. 07/691,584
High frequency printing mechanism
Inventor:
Yehuda Ivri
Patented Case
View Patent ↗
Granted: Nov 17, 1992
Filed: Apr 24, 1991
Inventor
Yehuda Ivri
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.