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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 is a leading provider of innovative solutions in the manufacturing industry. With a focus on quality and efficiency, we offer a wide range of products and services to help our customers succeed. From precision machining to custom tooling, we strive to exceed expectations and deliver exceptional results. Visit our website to learn more about how Gladwin Corporation can meet your manufacturing needs.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

14 Patents

#3 in Bryn Mawr, PA

#791 in Pennsylvania

#21,600 in US

#40,903 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)

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