IP Library › Granted Patent US 5,835,642
Granted Patent Utility
US 5,835,642 · App. 08/816,965

Optical fiber interferometer and piezoelectric modulator

Inventors: Valentin M. Gelikonov, Grigory V. Gelikonov, Natalia D. Gladkova, Vladimir I. Leonov, Felix I. Feldchtein, Alexander M. Sergeev, Yakov I. Khanin
Patented Case View Patent ↗
Granted: Nov 10, 1998 Filed: Mar 3, 1997
Inventors
Valentin M. Gelikonov
Grigory V. Gelikonov
Natalia D. Gladkova
Vladimir I. Leonov
Felix I. Feldchtein
Alexander M. Sergeev
Yakov I. Khanin
Assignee (at issue)
Optical Coherence Technologies, 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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 5,835,642
App. No.
08/816,965
Filed
1997-03-03
Granted
1998-11-10
Kind
A