For the Inventor, By the Inventor

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Brookings, SD, United States of America

Larson Manufacturing Company of South Dakota, Inc.

USPTO Granted Patents = 39

CIPO Patents = 3

Trademarks = 21

Forward Citations = 152

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35 inventors (with patents filed for the assignee):

Michael W Kondratuk (21 out of 30 patents)

Alan M Dixon (15 out of 16 patents)

Bryan P Zacher (14 out of 24 patents)

4. Kelly D Nordgaard (13 out of 18 patents)

5. Jammey A Rawden (9 out of 9 patents)

6. Allen E Lee (8 out of 17 patents)

7. Todd N Stratmoen (8 out of 10 patents)

8. Jordan A Richter (6 out of 6 patents)

9. Sara Wermers (5 out of 5 patents)

10. Luke A Thompson (5 out of 6 patents)

11. Ayako Takase (4 out of 23 patents)

12. Robert Hutton, Iv (4 out of 22 patents)

13. Patrick Scott Grossman (4 out of 5 patents)

14. Lynn K Van Sickle (4 out of 4 patents)

15. Tommy Leon Knight (4 out of 4 patents)

39 patents: Sort by Forward Citations

1. 12326022 - Door assembly for selectively interlocking opposing doors (2025-06-10),

2. 12326015 - Deadbolt assembly for simultaneously securing co-mounted doors together and actuating at least one deadbolt (2025-06-10),

3. 12252916 - Retention assembly for securing together coupled handle assemblies of co-mounted doors (2025-03-18),

4. 12146365 - Door-ready molding (2024-11-19),

5. 11952833 - Building systems and methods for installing building systems relative to building openings (2024-04-09),

6. 11952814 - Door assembly for selectively interlocking opposing doors (2024-04-09),

7. 11905740 - Deadbolt assembly for simultaneously securing co-mounted doors together and actuating at least one deadbolt (2024-02-20),

8. 11891851 - Door-ready molding (2024-02-06),

9. 11542733 - Door assembly for selectively interlocking opposing doors (2023-01-03),

10. 11441349 - Ready to install door system (2022-09-13),

11. 11105146 - Building systems and methods for installing building systems relative to building openings (2021-08-31),

12. 11105135 - Hydraulic door closer with fluid overflow chamber (2021-08-31),

13. 11105134 - Hydraulic door closer with fluid overflow chamber (2021-08-31),

14. 11035169 - Building systems and methods for installing building systems relative to building openings (2021-06-15),

15. 11008795 - Door with hidden door closer (2021-05-18),

Larson Manufacturing Company of South Dakota, Inc. is a leading manufacturer of storm doors, retractable screens, and windows. With over 35 years of industry experience, Larson is committed to producing innovative and high-quality products that enhance the beauty and functionality of homes. Their extensive product line includes storm doors in various styles and finishes, retractable screens for windows and doors, and energy-efficient windows. Larson takes pride in their exceptional customer service and dedication to improving the lives of homeowners through their trusted and reliable products.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

39 Patents

#2 in Brookings, SD

#9 in South Dakota

#8,539 in US

#16,941 in the World

Brookings, SD, United States of America

Larson Manufacturing Company of South Dakota, Inc.

Forward Citations = 152

35 inventors:

Michael W Kondratuk (21 out of 30 patents)

Alan M Dixon (15 out of 16 patents)

Bryan P Zacher (14 out of 24 patents)

4. Kelly D Nordgaard (13 out of 18 patents)

5. Jammey A Rawden (9 out of 9 patents)

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