Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6642641 | Apparatus for measuring total pressure and partial pressure with common electron beam | Robert E. Ellefson | 2003-11-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6642641 | Apparatus for measuring total pressure and partial pressure with common electron beam | Robert E. Ellefson | 2003-11-04 |