Granted Patent
Utility
US 4,670,863 · App. 06/799,883
Vibrator seismic source having adaptive distortion limiting control system
Inventors:
John J. Sallas, Toby R. Trevino
Patented Case
View Patent ↗
Granted: Jun 2, 1987
Filed: Nov 20, 1985
Inventors
John J. Sallas
Toby R. Trevino
Assignee (at issue)
Texas Instruments Incorporated
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.