Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12253226 | Flame simulating assembly for simulated fireplaces including a reflecting light element | Willard Lassen | 2025-03-18 |
| 11920747 | Flame simulating assembly for simulated fireplaces including a reflecting light system | Willard Lassen | 2024-03-05 |
| 11519576 | Flame simulating assembly for simulated fireplaces including a reflecting light system | Willard Lassen | 2022-12-06 |
| 11067238 | Flame simulating assembly for simulated fireplaces including a reflecting light system | Willard Lassen | 2021-07-20 |
| 10731810 | Flame simulating assembly for simulated fireplaces including a reflecting light system | Willard Lassen, John Marshall | 2020-08-04 |
| 10711964 | Flame simulating assembly for simulated fireplaces including an integrated flame screen and ember bed | Willard Lassen, John Marshall | 2020-07-14 |
| 10584841 | Flame simulating assembly with occluded shadow imaging wall | John Marshall, Willard Lassen | 2020-03-10 |
| 10520149 | Flame simulating assembly for simulated fireplaces including a light channeling shield | Willard Lassen, John Marshall | 2019-12-31 |
| 10451235 | Flame simulating assembly for simulated fireplaces including a flame screen having non-continuous flame segments | Willard Lassen, John Marshall | 2019-10-22 |
| 10371333 | Flame simulating assembly for simulated fireplaces including an integrated flame screen and ember bed | Willard Lassen, John Marshall | 2019-08-06 |
| 8490887 | Railroad rail having thermal insulation below the railhead either coated in the field or at the rail production facility | — | 2013-07-23 |
| 5214902 | Hand-carryable safety package and method of making the same | — | 1993-06-01 |