Granted Patent
Utility
US 4,940,303 · App. 07/264,096
Optical system comprising non-uniformly spaced array of parallel optical waveguide elements
Inventors:
Joseph H. Abeles, Robert J. Deri
Patented Case
View Patent ↗
Granted: Jul 10, 1990
Filed: Oct 28, 1988
Inventors
Joseph H. Abeles
Robert J. Deri
Assignee (at issue)
Bell Communications Research, 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.