RH

Robert J. Hartke

FS Federal Signal: 3 patents #103 of 717Top 15%
📍 Beecher, IL: #7 of 22 inventorsTop 35%
🗺 Illinois: #26,653 of 84,256 inventorsTop 35%
Overall (All Time): #1,320,165 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12240375 Electronically controlled siren Vincent S. Fleszewski, Jeffery M. Loftus, Christopher Radzik 2025-03-04
11708020 Lighting unit with electronically modulated beam configuration Duane P. Belitz, Robert A. Czajkowski, Jeffery M. Loftus, Tim Skertich, Jr., Aaron Sowers +1 more 2023-07-25
D974212 Lighting unit Duane P. Belitz, Robert A. Czajkowski, Jeffery M. Loftus, Tim Skertich, Jr., Aaron Sowers +1 more 2023-01-03