Inventor
Richard Lance Willis
Inventor
Lauderhill, FL, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Rprimary
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers22%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles11%
B60LPropulsion of electrically-propelled vehicles11%
G01BMeasuring length, thickness or similar linear dimensions11%
G01SRadio direction-finding11%
G06FElectric digital data processing11%
H04MTelephonic communication11%
Y02TClimate change mitigation technologies related to transportation11%
PatentTitleYear
8,826,187'Method and system for moving a cursor and selecting objects on a touchscreen using a finger pointer'20147,668,332'Audio porting assembly'20107,016,503'Adaptive equalizer for variable length sound tubes utilizing an acoustic pressure response measurement'20066,843,749'Apparatus and method to achieve multiple effective ratios from a fixed ratio transaxle'20056,698,290'Adaptive equalizer for variable length sound tubes utilizing an acoustical time of flight measurement'20046,651,501'Adaptive equalizer for variable length sound tubes utilizing an electrical impedance measurement'2003Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003–2010Patents assigned to MOTOROLA INC (4)· patent assignee history
2003–2010Based in Lauderhill, FL, US· patent location history
2005Patents assigned to BALLARD POWER SYSTEMS (1)· patent assignee history
2005Based in Belleville, MI, US· patent location history
2014Patents assigned to GOOGLE INC (1)· patent assignee history
2014Patents assigned to WILLIS RICHARD (1)· patent assignee history
2014Based in Victoria, AU· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MOTOROLA INC | 4 | 2003–2010 |
| BALLARD POWER SYSTEMS | 1 | 2005 |
| GOOGLE INC | 1 | 2014 |
| WILLIS RICHARDself | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Lauderhill, Florida, US | 4 | 2003–2010 |
| Victoria, AU | 1 | 2014 |
| Belleville, MI, US | 1 | 2005 |