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Inventor

Vance E. Neff

Inventor
Birmingham, MI, US

Overview

3→
Patents
1981–1995
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

E05Bprimary
E05BLocks40%
G07CTime or attendance registers40%
G05BControl or regulating systems in general20%
PatentTitleYear
5,477,041'Adaptable electronic key and lock system'19955,198,643'Adaptable electronic key and lock system'19934,279,013'Machine process controller'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981Patents assigned to VALERON CORP (1)· patent assignee history
1981Based in Detroit, MI, US· patent location history
1993–1995Patents assigned to COMPUTERIZED SECURITY SYSTEMS (2)· patent assignee history
1993–1995Based in Birmingham, MI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
COMPUTERIZED SECURITY SYSTEMS21993–1995
VALERON CORP11981
Locations
LocationPatentsSpan
Birmingham, MI, US21993–1995
Detroit, MI, US11981