Granted Patent
Utility
US 4,425,521 · App. 06/384,700
Magnetic slot wedge with low average permeability and high mechanical strength
Inventors:
George M. Rosenberry, Jr., John A. Mallick, Eike Richter
Patented Case
View Patent ↗
Granted: Jan 10, 1984
Filed: Jun 3, 1982
Inventors
George M. Rosenberry, Jr.
John A. Mallick
Eike Richter
Assignee (at issue)
General Electric Company
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.