Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5221353 | Apparatus for depositing a ceramic coating on a filament | Philip Gruber, Robert Alan Shatwell | 1993-06-22 |
| 5156883 | Process for depositing a ceramic coating on a filament | Philip Gruber, Robert Alan Shatwell | 1992-10-20 |