Company Filing History:

9 out of 719

Essilor International (compagnie Generale D'optique)

patents

2 out of 714

Essilor International

patents

1 out of 214

Transitions Optical, Inc.

patents

4. 1 out of 33

Essilor International (compagnie General D'optique)

patents

Years Active: 1992-2001

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6312811 - Photochromic naphtho [2,1-b]pyran compounds containing bithienyl or terthienyl substituents, process for their manufacture, and photochromic materials and articles obtained (2001-11-06),

2. 6281366 - Photochromic [3H]naphtho[2,1-b]pyran compounds containing an acetylenic substituent, process for their manufacture, and photochromic materials and articles obtained (2001-08-28),

3. 6136968 - Homoazaadamantane spirooxazines and their use in the field of ophthalmic (2000-10-24),

4. 6019914 - Photochromic spirooxazine compounds, their use in the field of (2000-02-01),

5. 5936016 - Photochromic compounds and methods for their use (1999-08-10),

6. 5754271 - Heterocyclic chromenes and their use in the field of ophthalmic optics (1998-05-19),

7. 5631720 - Ophthalmic lenses with heterocyclic chromene compounds (1997-05-20),

8. 5604280 - Ring spiro [fluorene-[2H]-benzopyranes] and their use in ophthalmic (1997-02-18),

9. 5529725 - Spirooxazines and use thereof in the field of ophthalmic optics (1996-06-25),

10. 5527911 - Heterocyclic chromenes (1996-06-18),

11. 5233038 - Photochronic compounds of the indolino-spiro-benzoxazine type (1993-08-03),

12. 5139707 - Indolino-spiroquinoxalino oxazine photochromatic compounds, methods for (1992-08-18),

13. 5114621 - Indolino-spiro-oxazine photochromic compounds with five-membered rings, (1992-05-19),

Title: The Innovative Mind of Robert Guglielmetti

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Conclusion: In conclusion, Robert Guglielmetti's passion for innovation and his relentless pursuit of excellence have cemented his status as a true trailblazer in the world of technology. His contributions continue to inspire and shape the future of innovation, making him a driving force in the ever-evolving tech landscape.

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