TJ

Thomas Paul Spiegelhalter, JR.

WB Westinghouse Air Brake: 3 patents #63 of 284Top 25%
📍 Cedar Rapids, IA: #478 of 1,358 inventorsTop 40%
🗺 Iowa: #4,661 of 15,303 inventorsTop 35%
Overall (All Time): #1,391,295 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11639188 Work zone instruction verification system Jeffrey D. Kernwein, Karen A. Shaw 2023-05-02
11257305 Vehicle control system and method Karen A. Shaw 2022-02-22
10421473 System, method, and apparatus for providing backup of electronic instruction to a locomotive or train Karen A. Shaw 2019-09-24