For the Inventor, By the Inventor

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Elk Grove Village, IL, United States of America

Qonaar Corporation

USPTO Granted Patents = 14

Forward Citations = 442

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22 inventors (with patents filed for the assignee):

Terence J Collins (3 out of 4 patents)

George G Dominick (3 out of 3 patents)

Kenneth H Erickson (2 out of 2 patents)

4. Carl M Stern (1 out of 18 patents)

5. Arthur S Zerfahs (1 out of 6 patents)

6. G Robert Oslin (1 out of 16 patents)

7. John W Van Horn (1 out of 8 patents)

8. Larry E Zack (1 out of 3 patents)

9. Richard M Price (1 out of 1 patent)

10. Phillip D Goodrich (1 out of 1 patent)

11. Ronald J Lugowski (1 out of 1 patent)

12. Elmer E Dodson (1 out of 1 patent)

13. Kenneth D May (1 out of 3 patents)

14. Claude C Cohee (1 out of 1 patent)

15. Leonard J Weber (1 out of 2 patents)

14 patents: Sort by Forward Citations

1. 4848556 - Low power coin discrimination apparatus (1989-07-18),

2. 4729509 - Coin collecting apparatus (1988-03-08),

3. 4717007 - Non-trapping coin shuttle for electronic parking meter (1988-01-05),

4. 4453667 - Bill transport system for a farebox (1984-06-12),

5. 4380316 - Electronic interlock for a cash collection receptacle (1983-04-19),

6. 4201333 - Fare collection apparatus (1980-05-06),

7. 4031991 - Coin operated electronic parking meter (1977-06-28),

8. 4020927 - Brake mechanism for turnstiles and the like (1977-05-03),

9. 3998008 - Turnstile head mechanism construction (1976-12-21),

10. 3974961 - Door lock for cash acceptance receptacle (1976-08-17),

11. 3966116 - Security box and receptacle housing for valuables (1976-06-29),

12. 3964590 - Parking meter with automatic reading means (1976-06-22),

13. 3939954 - Check receiving and testing apparatus (1976-02-24),

14. 3938733 - Sealed collection system (1976-02-17),

Qonaar Corporation is a leading technology company specializing in innovative solutions for businesses and organizations. With a focus on digital transformation and cloud services, Qonaar offers a range of products and services to help clients optimize their operations and achieve their business goals. Our team of experts is dedicated to delivering cutting-edge solutions tailored to meet the unique needs of each client.

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

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USPTO Data Jan 1 1976 - Dec 9 2025

14 Patents

#16 in Elk Grove Village, IL

#1,088 in Illinois

#21,598 in US

#40,882 in the World

Elk Grove Village, IL, United States of America

Qonaar Corporation

Forward Citations = 442

22 inventors:

Terence J Collins (3 out of 4 patents)

George G Dominick (3 out of 3 patents)

Kenneth H Erickson (2 out of 2 patents)

4. Carl M Stern (1 out of 18 patents)

5. Arthur S Zerfahs (1 out of 6 patents)

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