Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846845 | Process for producing sculptured pile fabric | Daniel T. McBride, Richard V. Gregory | 1989-07-11 |
| 4809317 | Telephone line exclusion device | Paul R. Howe | 1989-02-28 |
| 4795262 | Liquid chromatography absorbance detector | Teng-Ke J. Pang, Konan Peck | 1989-01-03 |