Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5320969 | Method, composition and device for the semiquantitative determination of specific gravity of a test sample | John A. Cattell | 1994-06-14 |
| 5302531 | Composition for the semiquantitative determination of specific gravity of a test sample | — | 1994-04-12 |