Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5343290 | Surface particle detection using heterodyne interferometer | John S. Batchelder, Philip Charles Danby Hobbs, Marc A. Taubenblatt | 1994-08-30 |
| 5294806 | Optical submicron aerosol particle detector | John S. Batchelder, Philip Charles Danby Hobbs | 1994-03-15 |