Membership
Tour
Register
Log in
Unmixable liquids inside
Follow
Industry
CPC
H01H2239/042
This industry / category may be too specific. Please go to a parent level for more data
Parent Industries
H
ELECTRICITY
H01
Electric elements
H01H
ELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES
H01H2239/00
Miscellaneous
Current Industry
H01H2239/042
Unmixable liquids inside
Industries
Overview
Organizations
People
Information
Impact
Please log in for detailed analytics
Patents Grants
last 30 patents
Information
Patent Grant
Calculator
Patent number
4,892,999
Issue date
Jan 9, 1990
Leona Electronics Co., Ltd.
Ho Wai-Kwan
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents