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Inventor

Stephen A. Roberts

Inventor
Herts, GB

Overview

6→
Patents
1988–1999
Patent span
Performing operations
Primary field (CPC B)

Patents· 6 as inventor

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

B66Bprimary
B66BElevators50%
E05BLocks25%
F21LLighting devices or systems thereof, being portable or specially adapted for transportation25%
PatentTitleYear
5,969,306'Elevator car call buttons indicating car floor position'19995,918,704'Car door lock'1999D0359944'Support rack for mounting between opposite side vehicle windows'1995D0358676'Purse light'19955,347,440'Portable light'1994D0298658'Purse illuminator'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1995Patents assigned to ROBERTS STEPHEN A (2)· patent assignee history
1994Patents assigned to ROBERTS MARKETING INC (1)· patent assignee history
1994Based in Orange, CA, US· patent location history
1995Patents assigned to ROBERTS MARKETING CO (1)· patent assignee history
1995Patents assigned to TUROCY DENNIS L (1)· patent assignee history
1995Based in Summerville, SC, US· patent location history
1995Based in Costa Mesa, CA, US· patent location history
1999Patents assigned to OTIS ELEVATOR CO (2)· patent assignee history
1999Based in Herts, GB· patent location history
1999Based in Penang, MY· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OTIS ELEVATOR CO21999
ROBERTS STEPHEN Aself21988–1995
ROBERTS MARKETING CO11995
ROBERTS MARKETING INC11994
TUROCY DENNIS L11995
Locations
LocationPatentsSpan
Herts, GB11999
Penang, MY11999
Summerville, SC, US11995
Costa Mesa, California, US11995
Orange, California, US11994