Company Filing History:

2 out of 3,345

At&t Bell Laboratories

patents

2 out of 2,714

Bell Telephone Laboratories

patents

Years Active: 1979-1990

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4919748 - Method for tapered etching (1990-04-24),

2. 4484979 - Two-step anisotropic etching process for patterning a layer without (1984-11-27),

3. 4396443 - Reduction of leakage current in InGaAs diodes (1983-08-02),

4. 4159443 - Electroluminescent optical devices (1979-06-26),

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1 patent pending (CIPO):

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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

Hans J Stocker

Location History:

Company Filing History:

Years Active: 1979-1990