Inventor
Richard F. Sweet
Inventor
Westlake Village, CA, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A63Fprimary
A63FCard, board, or roulette games27%
G06KGraphical data reading9%
G06VImage or video recognition or understanding9%
G10KSound-producing devices9%
H01FMagnets9%
H02JElectric power networks9%
H04MTelephonic communication9%
H04NPictorial communication, e.g. television9%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers9%
PatentTitleYear
10,658,873Wireless charging devices202010,616,681Suppressing ambient sounds2020D0297150'Playing card holder with curvature'1988D0297030'Playing card holder'19884,669,733'Playing card holder with tufted flock liner'19874,630,824'Playing card holder'19864,625,966'Playing card holder with curvature'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–1988Patents assigned to SWEET RICHARD F (5)· patent assignee history
1986–1988Based in Westlake Village, CA, US· patent location history
2020Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (2)· patent assignee history
2020Based in Houston, TX, US· patent location history
2020Based in San Diego, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SWEET RICHARD Fself | 5 | 1986–1988 |
| HEWLETT PACKARD DEVELOPMENT CO | 2 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Westlake Village, California, US | 5 | 1986–1988 |
| Houston, Texas, US | 1 | 2020 |
| San Diego, California, US | 1 | 2020 |