Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6006876 | Duplex electrical collector shoe | Robert Scott Beale | 1999-12-28 |
| 5676224 | Electrical collector shoe assembly | Robin A. Clarke, Robert Scott Beale | 1997-10-14 |
| 5605209 | Composite electrical conductor rail | Robin A. Clarke, Robert Scott Beale | 1997-02-25 |
| 5373926 | Insulated rail electrification system | Robin A. Clarke, Robert Scott Beale | 1994-12-20 |