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Inventor

Roger V. Jacobsen

Inventor
Chicago, IL, US

Overview

3→
Patents
1990–1993
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

G09Fprimary
G09FDisplaying25%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form13%
B41MPrinting, duplicating, marking, or copying processes13%
B42DBooks13%
B44FSpecial designs or pictures13%
G02BOptical elements, systems or apparatus13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
PatentTitleYear
5,181,745'Printed image creating the perception of depth'19935,152,090'Pivotless wheel indicia display device'19924,958,455'Pivotless wheel indicia display device'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1992Patents assigned to JACOBSEN GARY (2)· patent assignee history
1990–1993Based in Chicago, IL, US· patent location history
1993Patents assigned to JACOBSEN GARY A (1)· patent assignee history
1993Patents assigned to JACOBSEN ROGER V (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JACOBSEN GARY21990–1992
JACOBSEN GARY A11993
JACOBSEN ROGER Vself11993
Locations
LocationPatentsSpan
Chicago, Illinois, US31990–1993