Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7938707 | Methods for batch fabrication of cold cathode vacuum switch tubes | Frank R. Trowbridge | 2011-05-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7938707 | Methods for batch fabrication of cold cathode vacuum switch tubes | Frank R. Trowbridge | 2011-05-10 |