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Inventor

Tac H. Nguyen

Inventor
Denville, NJ, US

Overview

3→
Patents
1985–1999
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B66Bprimary
B66BElevators100%
PatentTitleYear
5,893,432'Controlled emergency stop apparatus for elevators'19994,971,178'Elevator system with independent limiting of a speed pattern in terminal zones'19904,499,974'Terminal slowdown speed pattern generator'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985Patents assigned to WESTINGHOUSE ELECTRIC CORP (1)· patent assignee history
1985–1990Based in Denville, NJ, US· patent location history
1990–1999Patents assigned to INVENTIO AG (2)· patent assignee history
1999Based in Flanders, NJ, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
INVENTIO AG21990–1999
WESTINGHOUSE ELECTRIC CORP11985
Locations
LocationPatentsSpan
Denville, New Jersey, US21985–1990
Flanders, New Jersey, US11999