Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6363035 | Seismic sensor having two symmetrical leaf springs and a method for detecting seismic movement | Guillermo D. Naranjo | 2002-03-26 |
| 5637797 | Optical fiber gravity meter | Mark A. Zumberge, Paul R. Parker | 1997-06-10 |
| 5461914 | Optical fiber gravity meter | Mark A. Zumberge, Paul R. Parker | 1995-10-31 |