Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D443297 | Novelty greeting card | Arthur S Earl, David Lester | 2001-06-05 |
| 5965276 | Method of forming a membrane especially a latex or polymer membrane including multiple discrete layers | Robin R. T. Shlenker, Clive C. Solomons, Sebastian S. Plamthottam | 1999-10-12 |
| 5679399 | Method of forming a membrane, especially a latex or polymer membrane, including multiple discrete layers | Robin R. T. Shlenker, Clive C. Solomons, Sebastian S. Plamthottam | 1997-10-21 |
| 5549924 | Method of forming a membrane, especially a latex or polymer membrane, including a deactivating barrier and indicating layer | Robin R. T. Shlenker, Clive C. Solomons | 1996-08-27 |
| 4220588 | Chemical processes | Derek H. R. Barton, Steven Ley | 1980-09-02 |