Granted Patent
Utility
US 4,719,987 · App. 07/029,377
Bi-planar pontoon paravane seismic source system
Inventors:
Robert K. George, Jr., Lorton E. Trent, Ernest Harrison
Patented Case
View Patent ↗
Granted: Jan 19, 1988
Filed: Mar 23, 1987
Inventors
Robert K. George, Jr.
Lorton E. Trent
Ernest Harrison
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.