Granted Patent
Utility
US 6,507,693 · App. 09/872,855
Optical filter device having creep-resistant optical fiber attachments
Inventors:
Robert J. Maron, Guy A. Daigle, James Dunphy, Thomas Engel, John J. Grunbeck, Mark R. Fernald
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: Jun 1, 2001
Inventors
Robert J. Maron
Guy A. Daigle
James Dunphy
Thomas Engel
John J. Grunbeck
Mark R. Fernald
Assignee (at issue)
CiDRA Corporation
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.