Inventor

HAYFORD TRACY L

US3 patents

⚠️ This page may combine multiple inventors who share the name “HAYFORD TRACY L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

Matrix Design Group LLC

2 patents

US9041546B2May 26, 2015

System and method for position detection

Matrix Design Group LLC14 citations78

US9778344B2Oct 3, 2017

System and method of utilizing RF signaling to determine range and relative coordinates

Matrix Design Group LLC0 citations35

ALLIANCE COAL LLC

1 patent

US7843348B2Nov 30, 2010

System and method for tracking personnel and equipment

ALLIANCE COAL LLC10 citations73