Granted Patent
Utility
US 6,323,637 · App. 09/514,650
Miniature crossed coil gauge having an active flux ring
Inventors:
John A. Ayres, David L. Ehle, Michael E. Salmon, Craig A. Ayres
Patented Case
View Patent ↗
Granted: Nov 27, 2001
Filed: Feb 29, 2000
Inventors
John A. Ayres
David L. Ehle
Michael E. Salmon
Craig A. Ayres
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.