Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6929401 | Nested safety mailing envelope | — | 2005-08-16 |
| 6850633 | Devices and methods for reading and interpreting guaiac-based occult blood tests | Wayne H. Schrier, John Silzel, Ronald J. Schoengold | 2005-02-01 |