% 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.

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Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

8 Patents

#73 in Dayton, OH

#1,438 in Ohio

#35,825 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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