Granted Patent
Utility
US 4,616,352 · App. 06/435,124
Vibrator seismic source having distortion limiting control system
Inventors:
John J. Sallas, Toby R. Trevino, Haroon I. Alvi, John Scott Shoffner, Cameron B. Wason
Patented Case
View Patent ↗
Granted: Oct 7, 1986
Filed: Oct 18, 1982
Inventors
John J. Sallas
Toby R. Trevino
Haroon I. Alvi
John Scott Shoffner
Cameron B. Wason
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.