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Gerald Walter Grabowski Patents |
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Inventor: Grabowski; Gerald Walter
Address: Minneapolis, MN
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 6581546 |
Animal containment system having a dynamically changing perimeter |
June 24, 2003 |
| The present invention provides for animal containment through a system having a containment collar and GPS (Global Positioning System), RF (Radio Frequency), or INS (Inertial Navigation System) data, or a combination thereof, to define the perimeter of a containment area. A receiver is |
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