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Inventor

Ivy W. M. Yiu

Inventor
Tsing Yi, HK

Overview

2→
Patents
1999–2000
Patent span
LOC
Primary field

Patents· 2 as inventor

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

LOC19primary
LOC1950%
LOC2150%
PatentTitleYear
D0420404'Electronic learning aid housing'2000D0407748'Electronic educational game housing'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999Patents assigned to VTECH IND LLC (1)· patent assignee history
1999–2000Based in Tsing Yi, HK· patent location history
2000Patents assigned to VTECH ELECTRONICS LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
VTECH ELECTRONICS LTD12000
VTECH IND LLC11999
Locations
LocationPatentsSpan
Tsing Yi, HK21999–2000