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Elk Grove Village, IL, United States of America

Qonaar Corporation

USPTO Granted Patents = 14

Forward Citations = 445

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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, based in Elk Grove Village, Illinois, specializes in advanced technology solutions, focusing on the development and manufacturing of innovative products in the fields of electronics and software. The company is dedicated to enhancing operational efficiencies and driving technological advancements across various industries. With a commitment to research and development, Qonaar aims to deliver cutting-edge solutions that address the evolving needs of its clients in a competitive global market.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

14 Patents

#21 in Elk Grove Village, IL

#1,123 in Illinois

#22,302 in US

#42,199 in the World

Elk Grove Village, IL, United States of America

Qonaar Corporation

Forward Citations = 445

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)

Please report any incorrect information to [email protected]

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