Thomas Paul Spiegelhalter, JR.

WB Westinghouse Air Brake: 1 patents #16 of 44Top 40%

📍 Cedar Rapids, IA: #42 of 123 inventorsTop 35%

🗺 Iowa: #511 of 1,656 inventorsTop 35%

Overall (2023): #228,395 of 537,848Top 45%

Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
11639188	Work zone instruction verification system	Jeffrey D. Kernwein, Karen A. Shaw	2023-05-02