Granted Patent
Utility
US 6,538,544 · App. 09/603,865
Pneumatically actuated magnetic workpiece holder
Inventor:
Paul Hardy
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: Jun 26, 2000
Inventor
Paul Hardy
Assignee (at issue)
Industrial Magnetics, 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.