RH

Robert J. Hartke

FS Federal Signal: 1 patents #1 of 6Top 20%
📍 Beecher, IL: #1 of 3 inventorsTop 35%
🗺 Illinois: #1,799 of 6,351 inventorsTop 30%
Overall (2025): #238,115 of 469,880Top 55%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12240375 Electronically controlled siren Vincent S. Fleszewski, Jeffery M. Loftus, Christopher Radzik 2025-03-04