Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7634947 | Method and device for confirmation of the state of tightness of fastenings of railroad tracks | — | 2009-12-22 |
| 5966439 | Modular telephone line connecting disconnecting and testing block | — | 1999-10-12 |
| 5931389 | Self-compensating dropper for underground irrigation | — | 1999-08-03 |