Company Filing History:

2 out of 3,345

At&t Bell Laboratories

patents

2 out of 745

American Telephone & Telegraph Co., At&t Bell Laboratories

patents

Years Active: 1986-1990

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4952014 - Optical systems with thin film polarization rotators and method for (1990-08-28),

2. 4834496 - Optical fiber sensors for chemical detection (1989-05-30),

3. 4709413 - Bidirectional fiber optic systems (1987-11-24),

4. 4617608 - Variable gap device and method of manufacture (1986-10-14),

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.

For the Inventor, By the Inventor

Robert A Lieberman

Company Filing History:

Years Active: 1986-1990