Inventor

Harry D. Campbell

Inventor
Villa Hills, KY, US

Overview

1→
Patents
1990
Patent span
Electricity
Primary field (CPC H)

Patents· 1 as inventor

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

H04Nprimary
H04NPictorial communication, e.g. television100%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990Patents assigned to BASES BURKE INST INC (1)· patent assignee history
1990Based in Villa Hills, KY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BASES BURKE INST INC11990
Locations
LocationPatentsSpan
Villa Hills, KY, US11990