Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D722783 | Roll paper towel holder | — | 2015-02-24 |
| D717126 | Napkin holder | — | 2014-11-11 |
| 8602345 | Sanitary roll paper towel holder | — | 2013-12-10 |
| 6369503 | Mercury capsule for use in a fluorescent lamp | Michael D. Sweetland, Mark W. Grossman, Peter A. Marcurelle, William J. Roche | 2002-04-09 |
| 6359382 | Fluorescent lamp base and fluorescent lamp | Joel L. Beyerle, Dennis B. Shinn, Craig Boyce, Donald M. Cannon | 2002-03-19 |
| 5923121 | Fluorescent lamp having an attachment therein for reduction of soluble mercury in the lamp and to act as a fail-safe at the end of lamp life | Craig Boyce, Tyra Newman Evans, Dennis B. Shinn, Michael D. Sweetland | 1999-07-13 |
| 5381070 | Lamp base locking clip | Huiling Zhu, Robert B. Dolan | 1995-01-10 |
| 4879494 | Fluorescent lamp starter assembly | — | 1989-11-07 |
| 4754193 | Mercury dispenser for arc discharge lamps | James L. Holmes, Emery G. Audesse | 1988-06-28 |