Granted Patent
Utility
US 6,765,664 · App. 10/042,405
Laser scanner with parabolic collector
Inventors:
David Scott Groothuis, Michael Thomas Hanchett
Patented Case
View Patent ↗
Granted: Jul 20, 2004
Filed: Jan 9, 2002
Inventors
David Scott Groothuis
Michael Thomas Hanchett
Assignee (at issue)
Delaware Capital Formation, 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.