Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12171715 | Systems, methods and apparatus for differential air pressure devices | Sean Tremaine Whalen, Mark A. Shughart, Douglas Frank Schwandt, Robert Tremaine Whalen, Edward Liou | 2024-12-24 |
| 10004656 | Systems, methods and apparatus for differential air pressure devices | Sean Tremaine Whalen, Mark A. Shughart, Douglas Frank Schwandt, Robert Tremaine Whalen, Edward Liou | 2018-06-26 |