Granted Patent
Utility
US 4,268,013 · App. 05/914,834
Crane motion compensator
Inventor:
Farooq A. Khan
Patented Case
View Patent ↗
Granted: May 19, 1981
Filed: Jun 12, 1978
Inventor
Farooq A. Khan
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.