Inventor
Richard H. Wallace
Inventor
Plano, TX, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G09Bprimary
G09BEducational or demonstration appliances25%
H01HElectric switches25%
A63FCard, board, or roulette games13%
G06FElectric digital data processing13%
G07DHandling of coins or valuable papers, e.g. testing, sorting by denominations, counting, dispensing, changing or depositing13%
G07FCoin-freed or like apparatus13%
PatentTitleYear
5,646,601'Magnetic apparatus for actuating a reed switch and associated system'19975,594,925'Method and apparatus determining order and identity of subunits by inputting bit signals during first clock period and reading configuration signals during second clock period'19975,364,272'Apparatus and method for teaching'19945,324,898'Motion detector and associated system'19945,163,844'Battery-free electronic teaching apparatus with keypad of piezo film switches'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–1997Patents assigned to TEXAS INSTRUMENTS INC (5)· patent assignee history
1992–1997Based in Plano, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TEXAS INSTRUMENTS INC | 5 | 1992–1997 |
Locations
| Location | Patents | Span |
|---|---|---|
| Plano, Texas, US | 5 | 1992–1997 |