Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11788548 | Quiet blower apparatus and system and method for reducing blower noise | Robert Henry Frater, Dmitri Anatolievich Doudkine, Barton John Kenyon | 2023-10-17 |
| 10393142 | Quiet blower apparatus and system and method for reducing blower noise | Robert Henry Frater, Dmitri Anatolievich Doudkine, Barton John Kenyon | 2019-08-27 |
| 8702379 | Quiet blower apparatus and system and method for reducing blower noise | Robert Henry Frater, Dmitri Anatolievich Doudkine, Barton John Kenyon | 2014-04-22 |
| 8337145 | Quiet blower apparatus and system and method for reducing blower noise | Robert Henry Frater, Dmitri Anatolievich Doudkine, Barton John Kenyon | 2012-12-25 |