Inventor
DAVID CROSBY
Inventor
US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A24Dprimary
A24DCigars20%
A24FSmokers' requisites20%
H05BElectric heating20%
A61MDevices for introducing media into, or onto, the body11%
A24CMachines for making cigars or cigarettes9%
H04MTelephonic communication9%
H04WWireless communication networks9%
G02BOptical elements, systems or apparatus3%
PatentTitleYear
12,572,017Methods for designing diffraction grating for augmented reality or virtual reality display and diffraction grating for augmented reality or virtual reality display202612,507,736Heat-not-burn device and method202512,446,626Aerosol device and method for moving consumable202512,201,154Heat-not-burn device and method202512,201,139Heat-not-burn device and method202511,632,981Heat-not-burn device and method202311,606,969Heat-not-burn device and method202311,272,741Heat-not-burn device and method2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2025Patents assigned to CQENS TECH INC (7)· patent assignee history
2022–2025Based in US· patent location history
2026Patents assigned to SNAP INC (1)· patent assignee history
2026Based in GB· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CQENS TECH INC | 7 | 2022–2025 |
| SNAP INC | 1 | 2026 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 7 | 2022–2025 |
| GB | 1 | 2026 |