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Inventor

Charles J. Proctor

Inventor
Singapore, SG

Overview

2→
Patents
1994–1995
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B66Bprimary
B66BElevators100%
PatentTitleYear
5,454,448'Elevator call buttons having plural illuminated indications of availability and use'19955,325,022'Single, bi-color elevator hall enunciator lantern'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–1995Patents assigned to OTIS ELEVATOR CO (2)· patent assignee history
1994Based in Mulan Court, SG· patent location history
1995Based in Singapore, SG· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OTIS ELEVATOR CO21994–1995
Locations
LocationPatentsSpan
Singapore, SG11995
Mulan Court, SG11994