Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9956968 | Bearing adapter side frame interface for a railway car truck | Thomas J. Heyden, Thomas R. Berg, Christopher J. Clark, Kevin McGarvey | 2018-05-01 |
| D809703 | LED endcap | Ming-Jie Tsai | 2018-02-06 |
| 7855339 | Electrical junction box cover system for use near water | Roger Buelow | 2010-12-21 |
| 7182484 | Light appliance and cooling arrangement | Roger Buelow, John M. Davenport | 2007-02-27 |
| 6545428 | Light fixture with submersible enclosure for an electric lamp | John M. Davenport, Roger Buelow, Ray A. Buchina, Gregory P. Frankiewicz | 2003-04-08 |
| D465038 | Illumination apparatus | Christopher F. Bragg | 2002-10-29 |