Inventor

Robert R. Christensen

Inventor
Salt Lake City, UT, US

Overview

6→
Patents
2007–2014
Patent span
Physics
Primary field (CPC G)

Patents· 6 as inventor

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

H04Nprimary
H04NPictorial communication, e.g. television50%
G02BOptical elements, systems or apparatus17%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them17%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein8%
G09BEducational or demonstration appliances8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2014Patents assigned to EVANS & SUTHERLAND COMPUTER CO (6)· patent assignee history
2007–2008Based in Salt Lake City, UT, US· patent location history
2011–2014Based in Rapid City, SD, US· patent location history
2014Patents assigned to CHRISTENSEN ROBERT R (1)· patent assignee history
2014Patents assigned to ELKINS DENNIS F (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EVANS & SUTHERLAND COMPUTER CO62007–2014
CHRISTENSEN ROBERT Rself12014
ELKINS DENNIS F12014
Locations
LocationPatentsSpan
Salt Lake City, UT, US42007–2008
Rapid City, SD, US22011–2014