% Expired Patents = 12.5

Forward Citations = 20

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1 inventor (with patents filed for the assignee):

Robert M Perchak (8 out of 15 patents)

8 patents: Sort by Forward Citations

1. 6628405 - Optical angle finder and coaxial alignment device (2003-09-30),

2. 6515783 - Penta assembly skew compensator (2003-02-04),

3. 6081333 - Bi-lateral shearing interferometer with beam convergence/divergence (2000-06-27),

4. 6054717 - Beam centering system (2000-04-25),

5. 5923426 - Bi-lateral shearing interferometer (1999-07-13),

6. 5896475 - Thin lightguide target for laser alignment (1999-04-20),

7. 5818633 - Laser leveling target with fresnel lens system (1998-10-06),

8. 5760932 - Target for laser leveling systems (1998-06-02),

Mirage Development, Ltd. is a leading real estate development company specializing in luxury residential and commercial properties. With a strong focus on design, quality, and innovation, we create exceptional spaces that inspire and exceed expectations. Our portfolio includes award-winning projects that showcase our commitment to excellence and customer satisfaction. Contact us today to learn more about our developments and how we can bring your vision to life.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

8 Patents

#73 in Dayton, OH

#1,438 in Ohio

#35,893 in US

Dayton, OH, United States of America

Mirage Development, Ltd.

Forward Citations = 20

1 inventor:

Robert M Perchak (8 out of 15 patents)

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