Inventor

Chun Yeung Keung

Inventor

Hong Kong, CN

Overview

2002

Patent span

Human necessities

Primary field (CPC A)

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

A63Hprimary

A63HToys, e.g. tops, dolls, hoops or building blocks100%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2002Patents assigned to INFINITE DREAM MACHINE LTD (1)· patent assignee history

2002Based in Hong Kong, CN· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
INFINITE DREAM MACHINE LTD	1	2002

Locations

Location	Patents	Span
Hong Kong, CN	1	2002