Inventor
William R. Spence
Inventor
Holland, MI, US
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B60Rprimary
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for29%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers17%
H04BTransmission11%
H04MTelephonic communication11%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles6%
B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general6%
H01HElectric switches6%
H04NPictorial communication, e.g. television6%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein3%
H01RElectrically-conductive connections3%
PatentTitleYear
8,583,331'Monitoring and automatic equipment control systems'20138,326,483'Monitoring and automatic equipment control systems'20128,237,909'Vehicular rearview mirror assembly including integrated backlighting for a liquid crystal display (LCD)'20128,224,012'Vehicle accessory microphone'20127,746,535'Blind connector for rearview mirror'20107,616,768'Vehicle accessory microphone having mechanism for reducing line-induced noise'20097,136,494'Vehicle accessory microphone assembly having a windscreen with hydrophobic properties'20067,130,431'Vehicle accessory microphone'20066,882,734'Vehicle accessory microphone'20056,614,911'Microphone assembly having a windscreen of high acoustic resistivity and/or hydrophobic material'2003Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003–2013Patents assigned to GENTEX CORP (10)· patent assignee history
2003–2013Based in Holland, MI, US· patent location history
2012Patents assigned to SPENCE WILLIAM R (3)· patent assignee history
2012Patents assigned to TURNBULL ROBERT R (2)· patent assignee history
2012Patents assigned to BAUER FREDERICK T (1)· patent assignee history
2012Patents assigned to BECHTEL JON H (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GENTEX CORP | 10 | 2003–2013 |
| SPENCE WILLIAM Rself | 3 | 2012 |
| TURNBULL ROBERT R | 2 | 2012 |
| BAUER FREDERICK T | 1 | 2012 |
| BECHTEL JON H | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Holland, MI, US | 10 | 2003–2013 |