Granted Patent
Utility
US 5,953,683 · App. 08/946,916
Sourceless orientation sensor
Inventors:
Per K. Hansen, Vladimir F. Kogan
Patented Case
View Patent ↗
Granted: Sep 14, 1999
Filed: Oct 9, 1997
Inventors
Per K. Hansen
Vladimir F. Kogan
Assignee (at issue)
Ascension Technology 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.