NS

Norval Stapelfeld

DO Dogwatch: 6 patents #1 of 10Top 10%
LO Lojack: 2 patents #9 of 17Top 55%
TG The Whistler Group: 1 patents #5 of 9Top 60%
Overall (All Time): #581,154 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8006649 Animal control system having correction monitor Frederic T. Peterson 2011-08-30
6825768 Adaptive pet containment system and method Frederic T. Peterson 2004-11-30
6575120 Animal control system Frederic T. Peterson, Thomas Mariner 2003-06-10
6467435 Animal control system Frederic T. Peterson, Thomas Mariner 2002-10-22
6360698 Animal control system Frederic T. Peterson, Thomas Mariner 2002-03-26
6079367 Animal training apparatus and method Cortland G. Sandberg 2000-06-27
5543776 Vehicle security system Lauren L'Esperance, Craig R. Autio, E. Thomas Mariner 1996-08-06
4908629 Apparatus for locating and/or tracking stolen or missing vehicles and the like Sheldon Apsell 1990-03-13
4818998 Method of and system and apparatus for locating and/or tracking stolen or missing vehicles and the like Sheldon Apsell 1989-04-04