L. Dennis Shapiro

Person

Lincoln, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Automatic control system for a remotely controllable sound producin...
- Patent number 5,870,453
- Issue date Feb 9, 1999
- L. Dennis Shapiro
- G08 - SIGNALLING
Information Patent Grant
Automatic control system for a remotely controllable sound producin...
- Patent number 5,420,907
- Issue date May 30, 1995
- L. Dennis Shapiro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Enhancement of a personal emergency response system
- Patent number 5,091,930
- Issue date Feb 25, 1992
- Lifeline Systems, Inc.
- L. Dennis Shapiro
- G08 - SIGNALLING
Information Patent Grant
Apparatus and method for reporting verification testing of a person...
- Patent number 4,884,059
- Issue date Nov 28, 1989
- Lifeline Systems, Inc.
- L. Dennis Shapiro
- G08 - SIGNALLING
Information Patent Grant
Multi-state selection switch for a personal emergency response system
- Patent number 4,884,060
- Issue date Nov 28, 1989
- Lifeline Systems, Inc.
- L. Dennis Shapiro
- G08 - SIGNALLING
Information Patent Grant
Personal alarm system providing handsfree operation
- Patent number 4,760,593
- Issue date Jul 26, 1988
- Lifeline Systems, Inc.
- L. Dennis Shapiro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone care system with telephone line-checking
- Patent number 4,686,697
- Issue date Aug 11, 1987
- Lifeline Systems, Inc.
- L. Dennis Shapiro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Personal alarm system
- Patent number 4,524,243
- Issue date Jun 18, 1985
- Lifeline Systems, Inc.
- L. Dennis Shapiro
- G08 - SIGNALLING
Information Patent Grant
Multi-mode intrusion alarm system
- Patent number 4,117,479
- Issue date Sep 26, 1978
- American District Telegraph Company
- Aaron A. Galvin
- G08 - SIGNALLING
Information Patent Grant
Multizone intrusion alarm system
- Patent number 3,938,118
- Issue date Feb 10, 1976
- American District Telegraph Company
- Aaron A. Galvin
- G08 - SIGNALLING
Information Patent Grant
On-line test circuit for intrusion alarm systems
- Patent number 3,932,870
- Issue date Jan 13, 1976
- American District Telegraph Company
- L. Dennis Shapiro
- G08 - SIGNALLING

L. Dennis Shapiro

Person

Patents Grantslast 30 patents

Automatic control system for a remotely controllable sound producin...

Automatic control system for a remotely controllable sound producin...

Enhancement of a personal emergency response system

Apparatus and method for reporting verification testing of a person...

Multi-state selection switch for a personal emergency response system

Personal alarm system providing handsfree operation

Telephone care system with telephone line-checking

Personal alarm system

Multi-mode intrusion alarm system

Multizone intrusion alarm system

On-line test circuit for intrusion alarm systems