Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8888917 | Restricted radiated heating assembly for high temperature processing | David T. Emerson, Michael John Bergmann, Keenan Carlyle Brown, Michael Allen Pennington, Thomas G. Coleman | 2014-11-18 |
| 7645342 | Restricted radiated heating assembly for high temperature processing | David T. Emerson, Michael John Bergmann, Keenan Carlyle Brown, Michael Allen Pennington, Thomas G. Coleman | 2010-01-12 |
| 6401275 | Sink backsplash | — | 2002-06-11 |
| 5166350 | Process for the manufacture of fluoran compounds | Davor Bedekovic, Jerry L. Pool, Brian John Williams, John Barry Henshall | 1992-11-24 |
| 4381266 | (N-Substituted benzoyl)halobenzoic acid anhydrides | Michael J. Whitehead | 1983-04-26 |
| 4349679 | Pyrrolidino and piperidino benz ring substituted phthalides | Michael J. Whitehead | 1982-09-14 |
| 4349218 | Copying material employing fluoran color formers | Jean C. Petitpierre | 1982-09-14 |
| 4302393 | Fluoran compounds | Jean C. Petitpierre | 1981-11-24 |
| 4295663 | 3-Indolyl-3-bis-amino-phenyl-phthalide compounds | Jean C. Petitpierre | 1981-10-20 |
| 4277400 | 2(Indol-3'-oyl) 3,4,5,6-tetrahalo benzoic acid anhydrides | Michael J. Whitehead | 1981-07-07 |
| 4252975 | 3-Indolyl-3-bis-amino-phenyl-phthalide compounds | Jean C. Petitpierre | 1981-02-24 |
| 4186134 | 3-Indolyl-3-phenyl-phthalides | Jean C. Petitpierre | 1980-01-29 |