Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11628377 | Bubble, fog, haze and fog-filled bubble machine | Christopher E Markgraf | 2023-04-18 |
| 11192046 | Bubble, fog, haze and fog-filled bubble machine | Christopher E Markgraf | 2021-12-07 |
| 10500520 | Bubble, fog, haze, and fog-filled bubble machine | Christopher E Markgraf | 2019-12-10 |