Granted Patent
Utility
US 6,529,443 · App. 09/757,830
Two-conductor bidirectional digital seismic telemetry interface
Inventors:
John Downey, Ralph Kruse, Allen J. Bishop, Kent A. Byerly
Patented Case
View Patent ↗
Granted: Mar 4, 2003
Filed: Jan 10, 2001
Inventors
John Downey
Ralph Kruse
Allen J. Bishop
Kent A. Byerly
Assignee (at issue)
Input/Output, 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.