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Tretorn Ab

USPTO Granted Patents = 24

Trademarks = 11

Forward Citations = 2,569

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17 inventors (with patents filed for the assignee):

Reinhold Sussmann (4 out of 42 patents)

Barry Hallenbeck (4 out of 5 patents)

Martyn R Shorten (3 out of 9 patents)

4. Christoph Berger (2 out of 11 patents)

5. Udo Flemming (2 out of 9 patents)

6. Ralph DeFusco (2 out of 2 patents)

7. William R Peterson (2 out of 2 patents)

8. Reiner Seiz (2 out of 2 patents)

9. Rudolf Hieblinger (1 out of 2 patents)

10. Kenneth W Misevich (1 out of 17 patents)

11. Rob R McGregor (1 out of 10 patents)

12. Hans Woitschaetzke (1 out of 1 patent)

13. Theo Hofmann (1 out of 1 patent)

14. Mamoru Nishida (1 out of 1 patent)

15. Martin Gansler (1 out of 1 patent)

24 patents: Sort by Forward Citations

1. 5425185 - Shoe with a side mounted central rotary closure (1995-06-20),

2. 5381609 - Shoe with central closure (1995-01-17),

3. 5381607 - Stabilized honeycomb shoe sole, particularly for athletic shoes (1995-01-17),

4. 5361518 - Sport shoe with an outsole with holding inserts for holding gripping (1994-11-08),

5. 5355596 - Shoe with a central closure (1994-10-18),

6. 5345638 - Process for producing a shoe-shaped part from a web of material and (1994-09-13),

7. 5341583 - Sport or leisure shoe with a central closure (1994-08-30),

8. 5327662 - Shoe, especially an athletic, leisure or rehabilitation shoe having a (1994-07-12),

9. 5325613 - Shoe with a central closure (1994-07-05),

10. D347910 - Golf glove (1994-06-14),

11. 5319868 - Shoe, especially an athletic, leisure or rehabilitation shoe having a (1994-06-14),

12. D342149 - Lateral shoe decoration (1993-12-14),

13. 5251335 - Golf glove (1993-10-12),

14. 5201125 - Shoe, especially a sport or rehabilitation shoe (1993-04-13),

15. 5197207 - Shoe, especially a sport or rehabilitation shoe (1993-03-30),

Tretorn Ab is a Swedish footwear and outerwear brand founded in 1891. Known for its iconic Nylite tennis sneaker, Tretorn offers a range of stylish and sustainable products designed for outdoor adventures. With a focus on quality, comfort, and environmental responsibility, Tretorn continues to innovate in the world of fashion and lifestyle.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 20 2026

24 Patents

#26 in

#35 in Sweden

#25,908 in the World

Tretorn Ab

Forward Citations = 2,569

17 inventors:

Reinhold Sussmann (4 out of 42 patents)

Barry Hallenbeck (4 out of 5 patents)

Martyn R Shorten (3 out of 9 patents)

4. Christoph Berger (2 out of 11 patents)

5. Udo Flemming (2 out of 9 patents)

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