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For the Inventor, By the Inventor

Malvern, PA, United States of America

3si Security Systems, Inc.


USPTO Granted Patents = 15



Trademarks = 11

Forward Citations = 146

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25 inventors (with patents filed for the assignee):

goldMedal Joel Bartholf (4 out of 5 patents)

silverMedal Brandon Cromer (3 out of 3 patents)

bronzeMedal Terry Hipp (3 out of 3 patents)

4.  Mary Pifer (3 out of 3 patents)

5.  Jeffrey Scott Markwell (2 out of 3 patents)

6.  Daniel James Kilcourse (2 out of 2 patents)

7.  Phillip H Grimm (2 out of 3 patents)

8.  Roger Hayward (2 out of 2 patents)

9.  Anthony Hugh Green (2 out of 3 patents)

10.  David Philip Aldoretta (2 out of 2 patents)

11.  Quang Ngoc Tran (2 out of 2 patents)

12.  Simon Wesley Jones (2 out of 2 patents)

13.  Ray M Johnson (1 out of 16 patents)

14.  Robert Sleat (1 out of 2 patents)

15.  Greg Van Lint (1 out of 1 patent)


15 patents:

1. 11978329 - Security tracking device with zone-based alert suppression (2024-05-07),
2. 11620889 - Security tracking device with zone-based alert suppression (2023-04-04),
3. 10812940 - Flexible anti-theft pack for tracking and location (2020-10-20),
4. 10140830 - Asset tracking device configured to selectively retain information during loss of communication (2018-11-27),
5. 9786146 - Asset tracking device configured to selectively retain information during loss of communication (2017-10-10),
6. 8783194 - Marking apparatus for nucleic acid marking of items (2014-07-22),
7. 8217791 - Tracking unit (2012-07-10),
8. 8035510 - Asset recovery device installation and alert system (2011-10-11),
9. 7902980 - Tracking unit (2011-03-08),
10. 7656292 - Flexible anti-theft pack for tracking and location (2010-02-02),
11. 7183915 - Wireless ATM security system (2007-02-27),
12. 7118817 - Coin cell protection against reverse insertion in cell holder (2006-10-10),
13. 7075426 - Flex motion wake-up circuit for a security pack (2006-07-11),
14. 6568336 - Device for dispensing a liquid onto valuables (2003-05-27),
15. 6552660 - Flexible smoke generator (2003-04-22),
3SI Security Systems, Inc. is a leading provider of innovative security solutions for the protection of assets and personnel. With over 45 years of experience, 3SI specializes in the design, development, and implementation of advanced security technologies. Their comprehensive range of products includes GPS tracking devices, dye packs, electronic security systems, and surveillance solutions. 3SI's solutions are trusted by businesses, financial institutions, and law enforcement agencies worldwide to combat crime and reduce losses.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 23 2025

15 Patents

#28 in Malvern, PA

#749 in Pennsylvania

#20,399 in US

#38,696 in the World

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Malvern, PA, United States of America

3si Security Systems, Inc.

Forward Citations = 146

25 inventors:

goldMedal Joel Bartholf (4 out of 5 patents)

silverMedal Brandon Cromer (3 out of 3 patents)

bronzeMedal Terry Hipp (3 out of 3 patents)

4.  Mary Pifer (3 out of 3 patents)

5.  Jeffrey Scott Markwell (2 out of 3 patents)

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