For the Inventor, By the Inventor

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Atlanta, GA, United States of America

National Service Industries, Inc.

USPTO Granted Patents = 55

CIPO Patents = 2

Trademarks = 71

Forward Citations = 1,980

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55 inventors (with patents filed for the assignee):

Nils G Jonsson (10 out of 10 patents)

Theodor G Yahraus (4 out of 4 patents)

James Clarence Johnson (3 out of 15 patents)

4. Gregory Randal Holder (3 out of 6 patents)

5. Robert E Wooley (3 out of 3 patents)

6. Stephen T Smith (3 out of 3 patents)

7. Raymond A Brown (3 out of 3 patents)

8. David Richard Ranieri (3 out of 4 patents)

9. William R Lutz (3 out of 3 patents)

10. Mark Campbell Logan (2 out of 19 patents)

11. Peter M Schmidt (2 out of 10 patents)

12. Andrew Edward Masters (2 out of 10 patents)

13. A Derrell Hightower (2 out of 3 patents)

14. Jon D Hinnefeld (2 out of 2 patents)

15. Robert W Bowman (2 out of 2 patents)

Core Competencies:

Lighting Fixtures

LED Technology

Emergency Lighting

Photometric Testing

Occupancy Sensors

Dimming Switches

Luminaire Mounts

Electrical Connectors

Light Distribution Reflectors

Modular Electrical Systems

Fluorescent Lighting

Downlight Fixtures

55 patents: Sort by Forward Citations

1. D412040 - Wall-mounted lighting fixture (1999-07-13),

2. D411641 - Lighting fixture (1999-06-29),

3. D409325 - Recessed wall mounted lighting fixture (1999-05-04),

4. 5887968 - Light distribution reflector for exit signs and the illuminated by LED (1999-03-30),

5. D405206 - Post-mounted lighting fixture (1999-02-02),

6. D402075 - Parking garage lighting fixture (1998-12-01),

7. 5823663 - Fluorescent troffer lighting fixture (1998-10-20),

8. D399586 - Lighting fixture (1998-10-13),

9. 5814971 - Emergency florescent inverter for magnetic and electronic ballasts (1998-09-29),

10. D398413 - Lighting fixture (1998-09-15),

11. 5806972 - Light trap and louver mounting to fluorescent troffer lighting fixture (1998-09-15),

12. 5707143 - Pull-on clip for downlight reflector trim (1998-01-13),

13. D383501 - Exit light (1997-09-09),

14. 5640792 - Lighting fixtures (1997-06-24),

15. D379373 - Combined exit sign and emergency lamp device (1997-05-20),

National Service Industries, Inc. (NSI) is a leading provider of various industrial services. With over 50 years of experience, NSI offers a wide range of solutions, including facility maintenance, HVAC, electrical, and plumbing services. The company focuses on delivering high-quality services, maintaining long-term client relationships, and ensuring customer satisfaction. NSI prides itself on its team of skilled professionals, advanced technology, and commitment to safety and environmental sustainability.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

55 Patents

#61 in Atlanta, GA

#136 in Georgia

#6,230 in US

#12,522 in the World

Atlanta, GA, United States of America

National Service Industries, Inc.

Forward Citations = 1,980

55 inventors:

Nils G Jonsson (10 out of 10 patents)

Theodor G Yahraus (4 out of 4 patents)

James Clarence Johnson (3 out of 15 patents)

4. Gregory Randal Holder (3 out of 6 patents)

5. Robert E Wooley (3 out of 3 patents)

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