Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 9828317 | Method for purification of alcohols | Steven Lythgoe, Jose Guimaraes, Michael A. McIntyre, Lanny A. Robbins | 2017-11-28 | $309,000 |
| 5165523 | Selectively removable block and pusher assembly and feed chain therefor | A. Derrell Hightower | 1992-11-24 | $7,174,000 |
| 5125885 | Bonded envelope stack and method and apparatus for making same | A. Derrell Hightower | 1992-06-30 | $7,203,000 |
| 4443211 | Envelope assembly apparatus | — | 1984-04-17 | $2,779,000 |