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Inventor

Y. M. Tam

Inventor
Hong Kong, CN

Overview

3→
Patents
1984–2011
Patent span
Human necessities
Primary field (CPC A)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A47Lprimary
A47LDomestic washing or cleaning33%
A61HPhysical therapy apparatus, e.g. devices for locating or stimulating reflex points in the body33%
LOC2633%
PatentTitleYear
7,987,549'Vacuum cleaner with a massage head'2011D0590097'Lighting device'2009D0276158'Portable stereo receiver housing'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984Patents assigned to ATLAS ELECTRONICS MFG LIMITED (1)· patent assignee history
1984Based in Kowloon, HK· patent location history
2009–2011Patents assigned to TAM YATHUNG (2)· patent assignee history
2009Based in Sha Tin New Territories, HK· patent location history
2011Based in Hong Kong, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TAM YATHUNGself22009–2011
ATLAS ELECTRONICS MFG LIMITED11984
Locations
LocationPatentsSpan
Hong Kong, CN12011
Sha Tin New Territories, HK12009
Kowloon, HK11984