Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6804362 | Electrostatic and electrolytic loudspeaker assembly | Claus Zimmermann | 2004-10-12 |
| 6745791 | Service tools for pipelines containing conduit or cable | Scott Beals, Ronald Hammer | 2004-06-08 |
| 6691728 | Methods and systems for installing a pipeline within a pipeline | Scott Beals, Ronald Hammer, Kevin Leeds | 2004-02-17 |
| 6691734 | Methods and systems for installing cable and conduit in pipelines | Scott Beals, Ronald Hammer, Kevin Leeds | 2004-02-17 |
| 6681795 | Methods and systems for installing cable and conduit in pipelines | Scott Beals, Ronald Hammer | 2004-01-27 |