Granted Patent
Utility
US 4,967,400 · App. 07/423,536
Digital marine seismic system
Inventor:
Theodore E. Woods
Patented Case
View Patent ↗
Granted: Oct 30, 1990
Filed: Oct 16, 1989
Inventor
Theodore E. Woods
Assignee (at issue)
Syntron, 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.