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Inventor

Randall E. Parrish

Inventor
San Diego, CA, US

Overview

3→
Patents
1987–2005
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 3 as inventor

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

E05Bprimary
E05BLocks29%
E05CBolts or fastening devices for wings, specially for doors or windows29%
B66BElevators14%
G01NInvestigating or analysing materials by determining their chemical or physical properties14%
Y10TTechnical subjects covered by former us classification14%
PatentTitleYear
6,923,065'Apparatus for testing aramid fiber elevator cables'20054,686,912'Electrically controlled locking apparatus and safe utilizing same'19874,671,086'Redundant electrically controlled locking apparatus'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to PROTECH PARTNERSHIP (2)· patent assignee history
1987Based in San Diego, CA, US· patent location history
2005Patents assigned to THYSSEN ELEVATOR CAPITAL CORP (1)· patent assignee history
2005Based in Pine Valley, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PROTECH PARTNERSHIP21987
THYSSEN ELEVATOR CAPITAL CORP12005
Locations
LocationPatentsSpan
San Diego, California, US21987
Pine Valley, California, US12005