LexDanaLexDanabeta
Inventor

Jeffrey G. Trull

Inventor
Matthews, NC, US

Overview

3→
Patents
1986–1992
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 3 as inventor

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

E05Bprimary
E05BLocks38%
Y10TTechnical subjects covered by former us classification38%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%
PatentTitleYear
5,077,994'Door lock having removable outside lever handle for the purpose of changing the key cylinder'19924,765,163'Front-loaded knob assembly'19884,623,174'Latchbolt with adjustable backset'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1992Patents assigned to YALE SECURITY INC (3)· patent assignee history
1986–1992Based in Matthews, NC, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
YALE SECURITY INC31986–1992
Locations
LocationPatentsSpan
Matthews, NC, US31986–1992