Granted Patent
Utility
US 5,781,669 · App. 08/625,367
Acoustooptical waveguide device for wavelength selection and process for making same
Inventors:
Steffen Schmid, Sergio Bosso
Patented Case
View Patent ↗
Granted: Jul 14, 1998
Filed: Apr 1, 1996
Inventors
Steffen Schmid
Sergio Bosso
Assignee (at issue)
Pirelli Cavi S.p.A.
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.