Johnson Yes

Follow

Person

Taipei, TW

People

Patents Grantslast 30 patents

Information Patent Grant
Sweeper type apparatus for clearing the deposition formed on the bo...
- Patent number 4,744,897
- Issue date May 17, 1988
- Johnson Yes
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Water filter
- Patent number 4,666,601
- Issue date May 19, 1987
- Johnson Yes
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL