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For the Inventor, By the Inventor

Mequon, WI, United States of America

Johnson Level & Tool Mfg. Co., Inc.


USPTO Granted Patents = 85



Trademarks = 21

Forward Citations = 964

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36 inventors (with patents filed for the assignee):

goldMedal Timothy J Wojciechowski (40 out of 60 patents)

silverMedal David C Mencel (20 out of 27 patents)

bronzeMedal William G Johnson (18 out of 25 patents)

4.  Robert A Johnson (16 out of 23 patents)

5.  Richard J Gruetzmacher (12 out of 12 patents)

6.  Dave Statza (5 out of 5 patents)

7.  Jean G Dufour (4 out of 4 patents)

8.  John Dwyer (3 out of 10 patents)

9.  Michael E Henley (2 out of 18 patents)

10.  John M Stefanko (2 out of 2 patents)

11.  Jianhong Lu (2 out of 2 patents)

12.  Minli Zhang (2 out of 2 patents)

13.  Douglas L Sevey (2 out of 13 patents)

14.  Michael J Nickel (2 out of 10 patents)

15.  Jeffrey P Cowie (2 out of 2 patents)


Core Competencies:
Laser Level
Torpedo Level
Box Beam Level
Measuring Wheel
Carpenters Square
Electronic Display
Scribing Arrangement
Securement Arrangement
Hand Grip
Framing Square
Level Frame
Multiline Device

85 patents:

1. D1026689 - Rotary-type laser level (2024-05-14),
2. D1026688 - Line-type laser level (2024-05-14),
3. D996994 - Carpenters square (2023-08-29),
4. D982463 - Carpenters square (2023-04-04),
5. D982462 - Crosscut square (2023-04-04),
6. 11618277 - Variable radius arc scribing arrangement for a framing square (2023-04-04),
7. D955241 - Torpedo level (2022-06-21),
8. D955240 - Box beam level (2022-06-21),
9. D955239 - Box beam level (2022-06-21),
10. D944104 - Screed level (2022-02-22),
11. D936503 - Box beam level (2021-11-23),
12. D936502 - Box beam level (2021-11-23),
13. D936501 - Level (2021-11-23),
14. D936500 - Level (2021-11-23),
15. D936499 - Level (2021-11-23),
Johnson Level & Tool Mfg. Co., Inc. is a leading manufacturer and supplier of professional-grade measuring and leveling tools. With over 70 years of experience, the company offers a wide range of high-quality products including levels, laser levels, measuring wheels, and more. Johnson Level & Tool is committed to providing innovative solutions and meeting the needs of professionals in various industries including construction, carpentry, and surveying. Visit their website for more information and to explore their extensive product catalog.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 2 2025

85 Patents

#1 in Mequon, WI

#98 in Wisconsin

#4,216 in US

#8,655 in the World

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Mequon, WI, United States of America

Johnson Level & Tool Mfg. Co., Inc.

Forward Citations = 964

36 inventors:

goldMedal Timothy J Wojciechowski (40 out of 60 patents)

silverMedal David C Mencel (20 out of 27 patents)

bronzeMedal William G Johnson (18 out of 25 patents)

4.  Robert A Johnson (16 out of 23 patents)

5.  Richard J Gruetzmacher (12 out of 12 patents)

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