Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D390305 | Insect bait station | Dane Dickson, Frank Knafelc, Ronald E. Heiskell, Ezra A. Theys | 1998-02-03 |
| D377961 | Insect bait station | Dane Dickson, Frank Knafelc, Ronald E. Heiskell, Ezra A. Theys | 1997-02-11 |
| D374703 | Insect bait station | Dane Dickson, Frank Knafelc, Ronald E. Heiskell, Ezra A. Theys | 1996-10-15 |