Granted Patent
Utility
US 5,945,901 · App. 08/912,857
Magnetic head for magnetic pick-up tool
Inventors:
Edward S. Coleman, Stanley Stromski
Patented Case
View Patent ↗
Granted: Aug 31, 1999
Filed: Aug 18, 1997
Inventors
Edward S. Coleman
Stanley Stromski
Assignee (at issue)
Ullman Devices Corporation
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.