Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6890544 | Gel composition for the topical treatment of poison ivy and other forms of contact dermatitis | — | 2005-05-10 |
| 6656928 | Composition for the topical treatment of rashes, dermatoses and lesions | — | 2003-12-02 |
| 6479058 | Composition for the topical treatment of poison ivy and other forms of contact dermatitis | — | 2002-11-12 |
| D282746 | Special purpose computer housing | Logan Johnson, Richard E. Carlson, Richard E. Offerdahl, Nicholas P. Van Brunt | 1986-02-25 |
| D282260 | Housing for computer module | Richard E. Carlson | 1986-01-21 |