Inventor

Kelvin Tam

Inventor

Hong Kong, CN

Overview

2007

Patent span

Human necessities

Primary field (CPC A)

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

A01Mprimary

A01MCatching, trapping or scaring of animals33%

A61LMethods or apparatus for sterilising materials or objects in general33%

F24FAir-conditioning33%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2007Patents assigned to JOHNSON & SON INC S C (1)· patent assignee history

2007Based in Hong Kong, CN· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
JOHNSON & SON INC S C	1	2007

Locations

Location	Patents	Span
Hong Kong, CN	1	2007