Growing community of inventors

Chestnut Hill, MA, United States of America

L Dennis Shapiro

Average Co-Inventor Count = 1.36

ph-index = 10

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 274

L Dennis ShapiroAaron A Galvin (3 patents)L Dennis ShapiroPhilip H Devlin (1 patent)L Dennis ShapiroTheodore Bially (1 patent)L Dennis ShapiroValdemar Skov (1 patent)L Dennis ShapiroRichard G Aseltine, Jr (1 patent)L Dennis ShapiroRobert M Armington (1 patent)L Dennis ShapiroL Dennis Shapiro (11 patents)Aaron A GalvinAaron A Galvin (34 patents)Philip H DevlinPhilip H Devlin (16 patents)Theodore BiallyTheodore Bially (5 patents)Valdemar SkovValdemar Skov (1 patent)Richard G Aseltine, JrRichard G Aseltine, Jr (1 patent)Robert M ArmingtonRobert M Armington (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Lifeline Systems, Inc. (6 from 28 patents)

2. American District Telegraph Company (3 from 91 patents)

3. Other (2 from 832,880 patents)


11 patents:

1. 5870453 - Automatic control system for a remotely controllable sound producing

2. 5420907 - Automatic control system for a remotely controllable sound producing

3. 5091930 - Enhancement of a personal emergency response system

4. 4884059 - Apparatus and method for reporting verification testing of a personal

5. 4884060 - Multi-state selection switch for a personal emergency response system

6. 4760593 - Personal alarm system providing handsfree operation

7. 4686697 - Telephone care system with telephone line-checking

8. 4524243 - Personal alarm system

9. 4117479 - Multi-mode intrusion alarm system

10. 3938118 - Multizone intrusion alarm system

11. 3932870 - On-line test circuit for intrusion alarm systems

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/5/2026
Loading…