Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6363636 | Flame simulating assembly and components therefor | Kristoffer Hess, Ignazio Gallo, Sean David Spencer | 2002-04-02 |
| 6269567 | Diffusing screen with matte region | Kristoffer Hess, Ignazio Gallo, Sean David Spencer | 2001-08-07 |
| 6050011 | Assembly for producing an illusory effect | Kristoffer Hess, Ignazio Gallo, Sean David Spencer | 2000-04-18 |
| 6047489 | Flame simulating assembly and components therefor | Kristoffer Hess, Ignazio Gallo, Sean David Spencer | 2000-04-11 |
| 5642580 | Flame simulating assembley | Kristoffer Hess, Ignazio Gallo | 1997-07-01 |