1
Mark S Hoffman, Judd A Hoffman, Ann Hoffman, David G Doe: Personal security and tracking system. Hoffman Resources, Timothy J Shea II, April 21, 1998: US05742233 (444 worldwide citation)

A signaling system comprises a portable signaling unit, a remote alarm switch device, a central dispatch station, and a wireless communication system such as a cellular or telephone system, etc., and a GPS or alike system. The portable signaling unit and the remote alarm switch may be adapted to be ...


2
Mark S Hoffman, Judd A Hoffman, Ann Hoffman, David G Doe: Personal security and tracking system. Hoffman Resources, Edwin H Paul, Jerry Cohen, May 29, 2001: US06239700 (95 worldwide citation)

Wireless communication system for location of a person and identification of a distress condition of the person comprising portable transceivers (


3
Mark Hoffman, Judd Hoffman, Ann Hoffman, David Doe: Personal security and tracking system. Hoffman Resources, Wolf Greenfield & Sacks PC, September 23, 2003: US06624754 (94 worldwide citation)

The personal security and tracking system that enables an individual in distress to initiate an alarm to alert appropriate personnel combined with a locating and tracking system that enables the alerted personnel to monitor the location of the individual in distress. The system comprises a portable ...


4
Mark Hoffman, Judd Hoffman, Ann Hoffman, David Doe: Personal security and tracking system. Hoffman Resources, Lawrence M Green, Wolf Greenfield & Sacks PC, January 22, 2004: US20040014478-A1

A signaling system is provided for rendering an alarm for an individual in distress combined with a locating and tracking system to thus alert and direct appropriate personnel to the needs of the individual in distress and to monitor the location of that individual. The system comprises a portable s ...


5
Mark Hoffman, Judd Hoffman, Ann Hoffman, David Doe: Personal security and tracking system. Hoffman Resources, Lawrence M Green, Wolf Greenfield & Sacks PC, February 5, 2004: US20040021573-A1

A signaling system is provided for rendering an alarm for an individual in distress combined with a locating and tracking system to thus alert and direct appropriate personnel to the needs of the individual in distress and to monitor the location of that individual. The system comprises a portable s ...


6
Paul M Hagelin, Olay Solgaard: Apparatus and method for optical raster-scanning in a micromechanical system. Hoffman Resources, Pennie & Edmonds, February 5, 2004: US20040021923-A1

A method of operating a micromechanical scanning apparatus includes the steps of identifying a radius of curvature value for a micromechanical mirror and modifying a laser beam to compensate for the radius of curvature value. The identifying step includes the steps of measuring the far-field optical ...


7
Mark Hoffman, Judd Hoffman, Ann Hoffmann, David Doe: Personal security and tracking system. Hoffman Resources, Wolf Greenfield & Sacks PC, October 18, 2007: US20070243855-A1

A signaling system is provided for rendering an alarm for an individual in distress combined with a locating and tracking system to thus alert and direct appropriate personnel to the needs of the individual in distress and to monitor the location of that individual. The system comprises a portable s ...


8
Mark Hoffman, Judd Hoffman, Ann Hoffmann, David Doe: Personal security and tracking system. Hoffman Resources, April 12, 2012: US20120088467-A9

A signaling system is provided for rendering an alarm for an individual in distress combined with a locating and tracking system to thus alert and direct appropriate personnel to the needs of the individual in distress and to monitor the location of that individual. The system comprises a portable s ...


9
Hoffman Mark S, Hoffman Judd A, Hoffman Ann, Doe David G: Personal security and tracking system. Hoffman Resources, Hoffman Mark S, Hoffman Judd A, Hoffman Ann, Doe David G, sSHEA Timothy J II, July 23, 1998: WO/1998/032105

A signaling system is provided for rendering an alarm for an individual (50) in distress combined with a locating and tracking system to thus alert and direct appropriate personnel to the needs of the individual in distress and to monitor the location of that individual. The system comprises a porta ...


10
Hoffman Mark S, Hoffman Judd A, Hoffman Ann, Doe David G: Personal security and tracking system. Hoffman Resources, June 21, 2000: EP1010150-A2

A signaling system is provided for rendering an alarm for an individual in distress combined with a locating and tracking system to thus alert and direct appropriate personnel to the needs of the individual in distress and to monitor the location of that individual. The system comprises a portable s ...