Granted Patent
Utility
US 6,133,993 · App. 09/013,249
Length and velocity measurement apparatus
Inventor:
Frederik Labaar
Patented Case
View Patent ↗
Granted: Oct 17, 2000
Filed: Jan 26, 1998
Inventor
Frederik Labaar
Assignee (at issue)
TRW Limited
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.