Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4425966 | Borehole centralizer with positively indexable contact arms | — | 1984-01-17 |
| 4359900 | Apparatus for mounting a sensing device in a well logging instrument | — | 1982-11-23 |
| 4254830 | Geothermal well sampler apparatus | Raymond E. Roesner | 1981-03-10 |