Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10101023 | Solid fuel heating device | Robert W. Ferguson, Derik K. Andors | 2018-10-16 |
| 8561602 | Gas feature and method | Derik K. Andors, Douglas DeFouw | 2013-10-22 |
| D515679 | Outdoor fireplace | James Borowske, Robert W. Ferguson, Derik K. Andors | 2006-02-21 |
| D515680 | Outdoor fireplace | James Borowske, Robert W. Ferguson, Derik K. Andors | 2006-02-21 |
| D513796 | Outdoor fireplace | James Borowske, Robert W. Ferguson, Derik K. Andors | 2006-01-24 |
| D513312 | Outdoor fireplace | James Borowske, Robert W. Ferguson, Derik K. Andors | 2005-12-27 |
| D408072 | Hearthmount heating appliance | Vance R. Smith, Allan S. Wilker | 1999-04-13 |
| D382337 | Freestanding heating appliance | Vance R. Smith, Allan S. Wilker | 1997-08-12 |
| 5571008 | Gas burner for use with artificial logs | Shawn T. Malloy, Jay F. Kempf, Frank G. Medros, Steven M. Ballou | 1996-11-05 |
| D327735 | Fireplace front | Vance R. Smith, Richard Simon Blackburn | 1992-07-07 |
| 5092313 | Gas log fireplace with high heat output | Richard Simon Blackburn, William Anthony Byrne, Robert W. Ferguson | 1992-03-03 |
| 4971031 | Dual burner fireplace | — | 1990-11-20 |
| 4886445 | Gas burning artificial log assembly | — | 1989-12-12 |