Granted Patent
Utility
US 6,829,043 · App. 10/414,268
Distance measurement device with short distance optics
Inventors:
Robert A. Lewis, Chad Thompson, George R. Varian
Patented Case
View Patent ↗
Granted: Dec 7, 2004
Filed: Apr 15, 2003
Inventors
Robert A. Lewis
Chad Thompson
George R. Varian
Assignee (at issue)
Toolz, Ltd.
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.