Granted Patent
Utility
US 4,658,229 · App. 06/733,232
Magnet system providing a region of substantially homogeneous field strength
Inventors:
Wilkie Y. Chen, Yen-Hwa L. Hsu, John R. Purcell
Patented Case
View Patent ↗
Granted: Apr 14, 1987
Filed: May 10, 1985
Inventors
Wilkie Y. Chen
Yen-Hwa L. Hsu
John R. Purcell
Assignee (at issue)
GA Technologies, 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.