EJ

Erik W. Jefferson

MT Milwaukee Electric Tool: 2 patents #574 of 1,087Top 55%
OE Otis Elevator: 1 patents #966 of 1,840Top 55%
📍 Milwaukee, WI: #805 of 2,770 inventorsTop 30%
🗺 Wisconsin: #13,258 of 40,088 inventorsTop 35%
Overall (All Time): #1,325,613 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12270922 Tool tracking device with multiple and application settable beacon transmission rates Anthony M. Davis, David Perreault, Mark A. Gellings, Christopher J. Burkhardt 2025-04-08
11879987 Tool tracking device with multiple and application settable beacon transmission rates Anthony M. Davis, David Perreault, Mark A. Gellings, Christopher J. Burkhardt 2024-01-23
9998581 Communication system and method of communication in an elevator operating environment James Eugene Noxon, Lashia Michael Yang, William Carl Karduck 2018-06-12