Granted Patent
Utility
US 6,172,499 · App. 09/430,292
Eddy current error-reduced AC magnetic position measurement system
Inventor:
Westley S. Ashe
Patented Case
View Patent ↗
Granted: Jan 9, 2001
Filed: Oct 29, 1999
Inventor
Westley S. Ashe
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.