Granted Patent
Utility
US 5,226,100 · App. 07/749,693
Optical grating comprising a plurality of side-by-side outfeed end faces of optical waveguides
Inventor:
Reinhard Maerz
Patented Case
View Patent ↗
Granted: Jul 6, 1993
Filed: Aug 26, 1991
Inventor
Reinhard Maerz
Assignee (at issue)
Siemens Aktiengesellschaft
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.