LexDanaLexDanabeta
Inventor

Vian W. Y. Li

Inventor
Kowloon, HK

Overview

6→
Patents
2006–2008
Patent span
Electricity
Primary field (CPC H)

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 transducers57%
A61FFilters implantable into blood vessels14%
LOC1014%
LOC1414%
PatentTitleYear
7,447,322'Speaker having a transparent panel'20087,367,422'System and method for providing passive noise reduction'20087,349,207'Heat dissipating audio systems and methods thereof'2008D0532769'Audio stereo system'2006D0517430'Clock'20066,993,143'Foldable headphones'2006

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006–2008Patents assigned to BROOKSTONE PURCHASING INC (6)· patent assignee history
2006–2008Based in Kowloon, HK· patent location history
2006–2008Based in Kowloon Tong, HK· patent location history
2006Based in Kowloon Toung, HK· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BROOKSTONE PURCHASING INC62006–2008
Locations
LocationPatentsSpan
Kowloon, HK32006–2008
Kowloon Tong, HK22006–2008
Kowloon Toung, HK12006