Inventor
Chester Smith Williams
Inventor
Lexington, MA, US
Overview
Patents· 24 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 transducers66%
G10KSound-producing devices7%
G01NInvestigating or analysing materials by determining their chemical or physical properties3%
G02CSpectacles3%
G06FElectric digital data processing3%
G06KGraphical data reading3%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes3%
G10DStringed musical instruments3%
G10HElectrophonic musical instruments3%
LOC163%
PatentTitleYear
10,900,889Molecular sensors for product authentication202110,872,595Flexible acoustic waveguide device202010,785,551Portable loudspeaker202010,777,171Electric musical instrument having a bridge202010,667,039Acoustic device having an electro-acoustic transducer mounted to a passive radiator diaphragm202010,555,071Eyeglass headphones202010,531,186Acoustic device202010,477,291Audio device2019D0864283Audio eyeglasses201910,390,129Acoustic device201910,299,031Eyeglass headphones201910,271,129Acoustic device having an electro-acoustic transducer mounted to a passive radiator diaphragm201910,244,311Acoustic device201910,225,647Acoustic device20199,913,012'Acoustic device with curved passive radiators'20189,877,103Acoustic device20189,736,574'Acoustic device'20179,654,867'Acoustic device'20179,571,917'Acoustic device'20179,554,201'Multiple-orientation audio device and related apparatus'20179,525,932'Acoustic device having active drivers mounted to a passive radiator diaphragm'20168,798,308'Convective airflow using a passive radiator'20148,561,756'Acoustic ports aligned to create free convective airflow'20138,167,083'Reconfigurable loudspeaker enclosure'2012Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2012–2020Patents assigned to BOSE CORP (22)· patent assignee history
2012–2014Patents assigned to LITOVSKY ROMAN N (3)· patent assignee history
2012–2014Patents assigned to WILLIAMS CHESTER SMITH (3)· patent assignee history
2012–2020Based in Lexington, MA, US· patent location history
2019Patents assigned to Base corp (1)· patent assignee history
2021Patents assigned to AMAZON TECH INC (1)· patent assignee history
2021Based in Seattle, WA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BOSE CORP | 22 | 2012–2020 |
| LITOVSKY ROMAN N | 3 | 2012–2014 |
| WILLIAMS CHESTER SMITHself | 3 | 2012–2014 |
| AMAZON TECH INC | 1 | 2021 |
| Base corp | 1 | 2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Lexington, Massachusetts, US | 23 | 2012–2020 |
| Seattle, Washington, US | 1 | 2021 |