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Inventor

Darrell Smith

Inventor
Denver, CO, US

Overview

3→
Patents
1997–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

G10Hprimary
G10HElectrophonic musical instruments17%
G11BInformation storage based on relative movement between record carrier and transducer17%
H04BTransmission17%
H04LTransmission of digital information, e.g. telegraphic communication17%
H04NPictorial communication, e.g. television17%
H04WWireless communication networks17%
PatentTitleYear
10,389,621Route selection system for a communication network and method of operating the same20196,728,493'Method and arrangement for clock and data recovery'20045,621,538'Method for synchronizing computerized audio output with visual output'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997Patents assigned to SIRIUS PUBLISHING INC (1)· patent assignee history
1997Based in Phoenix, AZ, US· patent location history
2004Patents assigned to NORTEL NETWORKS LTD (1)· patent assignee history
2004Based in Bishops Stortford, GB· patent location history
2019Patents assigned to LEVEL 3 COMMUNICATIONS LLC (1)· patent assignee history
2019Based in Denver, CO, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LEVEL 3 COMMUNICATIONS LLC12019
NORTEL NETWORKS LTD12004
SIRIUS PUBLISHING INC11997
Locations
LocationPatentsSpan
Denver, CO, US12019
Bishops Stortford, GB12004
Phoenix, AZ, US11997