Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9435027 | Splashguard and inlet diffuser for high vacuum, high flow bubbler vessel | Charles Michael Birtcher, Xinjian Lei | 2016-09-06 |
| 9316525 | Ultrasonic liquid level sensing systems | Charles Michael Birtcher | 2016-04-19 |