I thought, 'What's more valuable than the family dog?' That question became a company with nearly $100M in sales.

Ken Ehrman, co-founder and CEO of Halo Collar, created a GPS dog fence after his niece's dog was killed. He used his experience with GPS tracking for high-value assets to develop the product. Halo Collar has achieved nearly $100 million in sales, and Ehrman holds more than 40 patents, with this one being the most impactful.

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