Granted Patent
Utility
US 6,238,074 · App. 09/109,051
Optical waveguide structures
Inventors:
George R. Hulse, James Anderson
Patented Case
View Patent ↗
Granted: May 29, 2001
Filed: Jul 2, 1998
Inventors
George R. Hulse
James Anderson
Assignee (at issue)
Cooper Automotive Products, 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.