Inventor

Christopher M. Engel

Inventor
Arlington Heights, IL, US

Overview

18→
Patents
1976–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 18 as inventor

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

H04Nprimary
H04NPictorial communication, e.g. television59%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors9%
H03FAmplifiers9%
B07CPostal sorting5%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables5%
G05FSystems for regulating electric or magnetic variables5%
G06KGraphical data reading5%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1983Patents assigned to ZENITH RADIO CORP (11)· patent assignee history
1976–1977Based in Franklin Park, IL, US· patent location history
1980–1992Based in Arlington Heights, IL, US· patent location history
1980Based in Arlington Hts., IL, US· patent location history
1985–1992Patents assigned to ZENITH ELECTRONICS CORP (4)· patent assignee history
2019–2020Patents assigned to INTELLIGRATED HEADQUARTERS LLC (3)· patent assignee history
2019–2020Based in Mason, OH, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ZENITH RADIO CORP111976–1983
ZENITH ELECTRONICS CORP41985–1992
INTELLIGRATED HEADQUARTERS LLC32019–2020
Locations
LocationPatentsSpan
Arlington Heights, Illinois, US121980–1992
Mason, OH, US32019–2020
Franklin Park, Illinois, US21976–1977
Arlington Hts., Illinois, US11980