Enter assignee name

% Expired Patents = 18.2

Trademarks = 8

Forward Citations = 72

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3 inventors (with patents filed for the assignee):

Loren R Graber (7 out of 13 patents)

Wendell J Miller (4 out of 5 patents)

Robert Douglas Koren (4 out of 13 patents)

11 patents: Sort by Forward Citations

1. 12747773 - Vertical cable railing assembly (2026-09-29),

2. 12060921 - Vertical cable railing assembly (2024-08-13),

3. 11732776 - Vertical cable railing assembly (2023-08-22),

4. 11300180 - Vertical cable railing assembly (2022-04-12),

5. 11014271 - Method and apparatus for molding columns (2021-05-25),

6. 10377063 - Production line for manufacturing molded columns (2019-08-13),

7. 10328614 - Method and apparatus for extracting columns from molds (2019-06-25),

8. 10160143 - Method and apparatus for molding columns (2018-12-25),

9. 8109044 - Outdoor shower enclosure kit (2012-02-07),

10. 7152849 - Fastener (2006-12-26),

11. 7134647 - Lock (2006-11-14),

Digger Specialties, Inc. is a leading manufacturer of aluminum and vinyl railing, fencing, and outdoor products. With over 30 years of experience, the company offers high-quality products for residential and commercial applications. Their extensive product line includes railing systems, fence panels, aluminum columns, and accessories designed for durability and aesthetic appeal. Digger Specialties, Inc. is committed to providing innovative solutions and exceptional customer service.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

11 Patents

#1 in Bremen, IN

#380 in Indiana

#27,470 in US

#51,671 in the World

Bremen, IN, United States of America

Digger Specialties, Inc.

Forward Citations = 72

3 inventors:

Loren R Graber (7 out of 13 patents)

Wendell J Miller (4 out of 5 patents)

Robert Douglas Koren (4 out of 13 patents)

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