For the Inventor, By the Inventor

Enter assignee name

Hong Kong, China

W. Haking Industries, Ltd.

USPTO Granted Patents = 3

Forward Citations = 57

Loading Chart...

Loading Chart...

2 inventors (with patents filed for the assignee):

Kwok Yan Chan (3 out of 12 patents)

Norman Wah Ko (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 4041507 - Camera for underwater and above water use (1977-08-09),

2. 4032940 - Retractable camera (1977-06-28),

3. 4014033 - Percussive flash unit operating mechanism (1977-03-22),

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

3 Patents

#900 in Hong Kong

#7,245 in China

Hong Kong, China

W. Haking Industries, Ltd.

Forward Citations = 57

2 inventors:

Kwok Yan Chan (3 out of 12 patents)

Norman Wah Ko (1 out of 1 patent)

Please report any incorrect information to support@idiyas.com

Loading…