Inventor

David A. Nelson

Inventor
Fort Collins, CO, US

Overview

19→
Patents
1982–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 19 as inventor

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

H03Fprimary
H03FAmplifiers17%
G02BOptical elements, systems or apparatus14%
H04BTransmission8%
G01SRadio direction-finding6%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein6%
H01LSemiconductor devices6%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light6%
H03KPulse technique6%
B08BCleaning in general3%
F16LPipes3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1986Based in Loveland, CO, US· patent location history
1985–1987Patents assigned to ROCKWELL INTERNATIONAL CORP (4)· patent assignee history
1985–1987Patents assigned to COMLINEAR CORP (3)· patent assignee history
1985–1987Based in Cedar Rapids, IA, US· patent location history
1987–2021Based in Fort Collins, CO, US· patent location history
1996Patents assigned to CIRRUS LOGIC INC (1)· patent assignee history
2014Patents assigned to BARKER ALLEN (1)· patent assignee history
2014Based in Grande Prairie, CA· patent location history
2017–2021Patents assigned to ROCKLEY PHOTONICS LTD (7)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ROCKLEY PHOTONICS LTD72017–2021
ROCKWELL INTERNATIONAL CORP41985–1987
COMLINEAR CORP31985–1987
BARKER ALLEN12014
CIRRUS LOGIC INC11996
Locations
LocationPatentsSpan
Fort Collins, CO, US111987–2021
Cedar Rapids, IA, US41985–1987
Loveland, CO, US31982–1986
Grande Prairie, CA12014