Forward Citations = 48

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2 inventors (with patents filed for the assignee):

Robert J Marks (7 out of 44 patents)

William L Eaken (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. D310300 - Reinforcing insert for a spectacle case (1990-09-04),

2. D308597 - Reinforcing insert for spectacle case (1990-06-19),

3. D307822 - Spectacle case for attachment to a sunvisor (1990-05-15),

4. D301085 - End flap spectacle case (1989-05-16),

5. D300985 - Open end spectacle case (1989-05-09),

6. D300688 - Top flap spectacle case (1989-04-18),

7. D299683 - End flap spectacle case (1989-02-07),

Company Overview

California Optical Leather, Inc. is a leading manufacturer of high-quality leather products in California. Specializing in eyeglass cases and accessories, we combine traditional craftsmanship with modern design to create stylish and durable products for our customers.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

7 Patents

#26 in San Leandro, CA

#9,508 in California

#39,929 in US

San Leandro, CA, United States of America

California Optical Leather, Inc.

Forward Citations = 48

2 inventors:

Robert J Marks (7 out of 44 patents)

William L Eaken (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: California Optical Leather, Inc.. Retrieved from https://idiyas.com/company/california-optical-leather

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]