Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672007 | Radiometer for determining oil film thickness | Gregory G. Hogan, Gerald M. Daniels | 1997-09-30 |
| 5663639 | Apparatus and method for optical heterodyne conversion | Frank W. Smith | 1997-09-02 |