Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8070001 | Two piece draft gear housing having a integral yoke | Howard Sommerfeld, Michael E. Ring | 2011-12-06 |
| 8070002 | Two piece draft gear housing having an integral yoke | Howard Sommerfeld, Michael E. Ring | 2011-12-06 |
| 8006815 | Parking brake assembly for railway vehicle brake system | Howard Sommerfeld, Jonathon Marlow, Michael J. Moriarity, Wajih Kanjo, Bradley Anderson +1 more | 2011-08-30 |