For the Inventor, By the Inventor

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Brookings, SD, United States of America

Larson Manufacturing Company

USPTO Granted Patents = 14

Trademarks = 2

Forward Citations = 213

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21 inventors (with patents filed for the assignee):

Bryan P Zacher (9 out of 24 patents)

Allen E Lee (8 out of 17 patents)

Kelly D Nordgaard (5 out of 18 patents)

4. Vernon D Olson (3 out of 4 patents)

5. Michael W Kondratuk (2 out of 30 patents)

6. Bruce E Thomas (2 out of 5 patents)

7. Jeffrey T Rief (2 out of 2 patents)

8. Alan M Dixon (1 out of 16 patents)

9. Todd N Stratmoen (1 out of 10 patents)

10. Rashid Bharucha (1 out of 4 patents)

11. Michael D Gonnerman (1 out of 1 patent)

12. Mark E Abdella (1 out of 2 patents)

13. Duane Pecinovsky (1 out of 1 patent)

14. John M Parkhurst (1 out of 5 patents)

15. Gary L Spoelstra (1 out of 1 patent)

14 patents: Sort by Forward Citations

1. 8864186 - Gear latch-bolt mechanism (2014-10-21),

2. 8256251 - Mortise deadbolt lock cam engagement device (2012-09-04),

3. 7661226 - Installation method for a storm door (2010-02-16),

4. 6688063 - Wood core exterior door with mortise lock (2004-02-10),

5. 6655108 - Door with lockset (2003-12-02),

6. 6622432 - Exterior door with overlays for sealing a gap between the door and a doorframe (2003-09-23),

7. 6618998 - Door with variable length screen (2003-09-16),

8. 6612358 - Dual track storm door (2003-09-02),

9. D455217 - Exterior door with curve to glass (2002-04-03),

10. D454208 - Picture frame door (2002-03-06),

11. D453840 - Exterior door with curve from glass (2002-02-20),

12. 5927364 - Secure divided window (1999-07-27),

13. 5161346 - Polymer enclosed door (1992-11-10),

14. 5077948 - Polymer enclosed door (1992-01-07),

Larson Manufacturing Company is a leading manufacturer of storm doors, screen doors, and windows for residential homes. With over 65 years of experience, Larson is dedicated to providing high-quality products that enhance the beauty and functionality of homes. Their innovative designs and commitment to customer satisfaction have made them a trusted brand in the home improvement industry.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

14 Patents

#4 in Brookings, SD

#25 in South Dakota

#21,657 in US

#40,967 in the World

Brookings, SD, United States of America

Larson Manufacturing Company

Forward Citations = 213

21 inventors:

Bryan P Zacher (9 out of 24 patents)

Allen E Lee (8 out of 17 patents)

Kelly D Nordgaard (5 out of 18 patents)

4. Vernon D Olson (3 out of 4 patents)

5. Michael W Kondratuk (2 out of 30 patents)

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