Principle Plastics

Calculating rank

USPTO Granted Patents = 15

Forward Citations = 406

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4 inventors (with patents filed for the assignee):

David W Hoyt (11 out of 33 patents)

Gary T Aldcroft (10 out of 14 patents)

Dolph G Hoyt, Jr (4 out of 6 patents)

4. David Aldcroft (1 out of 1 patent)

15 patents: Sort by Forward Citations

1. D480540 - Slogger shoe (2003-10-15),

2. 6402105 - Display hanger (2002-06-11),

3. D448918 - Shoe (2001-10-10),

4. D428240 - Shoe (2000-07-18),

5. 6062992 - Ball mark repair tool (2000-05-16),

6. 5857919 - Putting practice device (1999-01-12),

7. 5800034 - Toy film viewer and method of making same (1998-09-01),

8. 5746265 - Lanyard for golf club head covers (1998-05-05),

9. 5735327 - Enlarged iron cover with textured inner surface (1998-04-07),

10. 5476289 - Tee holding tag (1995-12-19),

11. 5433436 - Tee and ball marker clip on holder (1995-07-18),

12. 4908960 - Overshoe (1990-03-20),

13. 4725063 - Practice putting target (1988-02-16),

14. D290415 - Bell boot for horse's hoof (1987-06-16),

15. 4470411 - Protective boot for leg of horse (1984-09-11),

Company Overview

Principle Plastics, based in Gardena, California, specializes in the development and manufacturing of high-quality plastic components and products. The company focuses on innovative solutions for various industries, including automotive, consumer goods, and industrial applications. With a commitment to advanced manufacturing techniques and material science, Principle Plastics aims to deliver durable and efficient products that meet the evolving needs of its clients, leveraging expertise in design and production to enhance functionality and performance.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

15 Patents

#13 in

#21,085 in

#39,991 in the World

Gardena, CA, United States of America