Granted Patent
Utility
US 5,109,147 · App. 07/521,239
Soldering tip for magnetic wire hookup
Inventor:
David M. Erlach
Patented Case
View Patent ↗
Granted: Apr 28, 1992
Filed: May 9, 1990
Inventor
David M. Erlach
Assignee (at issue)
Applied Magnetics, LLC
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.