Inventor

William Cheuk

Inventor
Vancouver, CA

Overview

1→
Patents
2008
Patent span
Chemistry
Primary field (CPC C)

Patents· 1 as inventor

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

C02Fprimary
C02FTreatment of water, waste water, sewage, or sludge50%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management50%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008Patents assigned to VISION ENVIROTECH INTERNAT CO (1)· patent assignee history
2008Based in Vancouver, CA· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
VISION ENVIROTECH INTERNAT CO12008
Locations
LocationPatentsSpan
Vancouver, CA12008