LexDanaLexDanabeta
Inventor

Stephen K. Spatig

Inventor
West Chester, PA, US

Overview

5→
Patents
1999–2020
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 5 as inventor

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

E05Bprimary
E05BLocks20%
E05CBolts or fastening devices for wings, specially for doors or windows20%
Y10TTechnical subjects covered by former us classification20%
B24BMachines, devices, or processes for grinding or polishing10%
B24DTools for grinding, buffing or sharpening10%
G07CTime or attendance registers10%
LOC0810%
PatentTitleYear
10,839,626Dynamic key access control systems, methods, and apparatus20208,459,703'Pawl assembly'2013D0525513'Knob latch'20066,641,182'Multi-point latch system'20035,964,650'Method and apparatus for repairing optical discs'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999Patents assigned to DIGITAL INNOVATIONS L L C (1)· patent assignee history
1999Based in Highland Park, IL, US· patent location history
2003–2020Patents assigned to SOUTHCO (4)· patent assignee history
2003–2020Based in West Chester, PA, US· patent location history
2013Patents assigned to ANDERSON GLENN E (1)· patent assignee history
2013Patents assigned to LANGKAMP RICHARD B (1)· patent assignee history
2013Patents assigned to RIBLETT H ALLEN (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SOUTHCO42003–2020
ANDERSON GLENN E12013
DIGITAL INNOVATIONS L L C11999
LANGKAMP RICHARD B12013
RIBLETT H ALLEN12013
Locations
LocationPatentsSpan
West Chester, Pennsylvania, US42003–2020
Highland Park, Illinois, US11999