Granted Patent
Utility
US 4,574,609 · App. 06/591,801
Nut forming apparatus
Inventor:
Imre Berecz
Patented Case
View Patent ↗
Granted: Mar 11, 1986
Filed: Mar 21, 1984
Inventor
Imre Berecz
Assignee (at issue)
Microdot 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.