Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12240375 | Electronically controlled siren | Robert J. Hartke, Jeffery M. Loftus, Christopher Radzik | 2025-03-04 |
| 11137128 | Warning devices with oscillating light patterns | Jeffery M. Loftus | 2021-10-05 |
| 10859235 | Warning devices with oscillating light patterns | Robert A. Czajkowski, Robert R. March, Jr., Allan J. Mostello | 2020-12-08 |
| 10696211 | Lighting devices and systems with orientation detection and control | Robert A. Czajkowski | 2020-06-30 |
| 8742916 | Warning light arrangements; components; and, methods | Bernard R. Burke, Charles Meyer, Christopher Radzik, George Frank, Sigmund Urbanski +1 more | 2014-06-03 |
| D659041 | Warning light | Bernard R. Burke, Charles Meyer, Christopher Radzik, George Frank, Sigmund Urbanski +1 more | 2012-05-08 |
| D638732 | Warning light | Bernard R. Burke, Charles Meyer, Christopher Radzik, George Frank, Sigmund Urbanski +1 more | 2011-05-31 |
| RE40841 | Sound recording and reproduction system for model train using integrated digital command control | Kelly Poles, Michael Novosel | 2009-07-14 |
| RE38660 | Sound recording and reproduction system for model train using integrated digital command control | Michael Novosel, Kelly Boles | 2004-11-23 |
| 5855004 | Sound recording and reproduction system for model train using integrated digital command control | Michael Novosel, Kelly Boles | 1998-12-29 |