Granted Patent
Utility
US 4,449,854 · App. 06/233,832
Motion compensator system
Inventor:
Douglas W. J. Nayler
Patented Case
View Patent ↗
Granted: May 22, 1984
Filed: Feb 12, 1981
Inventor
Douglas W. J. Nayler
Assignee (at issue)
NL Industries, 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.