Granted Patent
Utility
US 4,439,265 · App. 06/284,472
Fabrication method for LiNbO.sub.3 and LiTaO.sub.3 integrated optics devices
Inventors:
Rodney C. Alferness, Lawrence L. Buhl, Janet Jackel, Susan P. Lyman, Vellayan Ramaswamy
Patented Case
View Patent ↗
Granted: Mar 27, 1984
Filed: Jul 17, 1981
Inventors
Rodney C. Alferness
Lawrence L. Buhl
Janet Jackel
Susan P. Lyman
Vellayan Ramaswamy
Assignee (at issue)
Bell Telephone Laboratories, 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.