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Forward Citations = 821

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5 inventors (with patents filed for the assignee):

Jack Weinstein (22 out of 24 patents)

Stuart W DeJonge (7 out of 30 patents)

John E Harrold (4 out of 4 patents)

4. Kenneth P Glynn (2 out of 96 patents)

5. Antonia R DeJonge (1 out of 1 patent)

30 patents: Sort by Forward Citations

1. 6202876 - Push and twist locking child-resistant and container (2001-03-20),

2. 5967377 - Metered liquid dispenser with lift fill mechanism (1999-10-19),

3. 5860572 - Side action vertical ratchet dispenser with reversible trigger (1999-01-19),

4. 5853101 - Blister pack opener (1998-12-29),

5. 5797517 - Liquid pump dispenser with tri-purpose nozzle (1998-08-25),

6. 5749496 - Squeeze and rotate to lift captive cap dispenser (1998-05-12),

7. 5636765 - Metered dispensing cap with manifold cover (1997-06-10),

8. 5570821 - Vertical ratchet dispenser device with anti-oozing pull-back mechanism (1996-11-05),

9. 5551607 - Dispensing cap with leveraged pivot trigger (1996-09-03),

10. 5509550 - Child resistant cap with automatic release key (1996-04-23),

11. 5503302 - Sealed container puncturer and spray dispensing device (1996-04-02),

12. 5433329 - Child-resistant cap with independent open and close ratchet sets (1995-07-18),

13. 5431283 - Blister pack opener-ejector (1995-07-11),

14. 5372285 - Vertical ratchet gel-like material dispenser with hinged trigger (1994-12-13),

15. 5356010 - Container with blister pack opener (1994-10-18),

Primary Delivery Systems, Inc. is a leading provider of reliable and efficient delivery services. With our extensive network of distribution centers and fleet of vehicles, we ensure timely and secure delivery of a wide range of products. Our dedication to quality customer service and state-of-the-art logistics solutions has made us a trusted partner for businesses of all sizes. Visit our website to learn more about our services and how we can assist with your delivery needs.

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USPTO Data Jan 1 1976 - Sep 15 2026

30 Patents

#10 in Easton, PA

#406 in Pennsylvania

#11,241 in US

#21,816 in the World

Easton, PA, United States of America

Primary Delivery Systems, Inc.