Granted Patent
Utility
US 4,759,256 · App. 06/866,781
Tensioner recoil control apparatus
Inventors:
Sheldon L. Kovit, Bryan K. Yam, Douglas W. J. Nayler
Patented Case
View Patent ↗
Granted: Jul 26, 1988
Filed: May 23, 1986
Inventors
Sheldon L. Kovit
Bryan K. Yam
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.