LexDanaLexDanabeta
Inventor

Richard L. Chappell

Inventor
Mesa, AZ, US

Overview

2→
Patents
1987–2021
Patent span
Physics
Primary field (CPC G)

Patents· 2 as inventor

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

G06Fprimary
G06FElectric digital data processing17%
G06TImage data processing or generation, in general17%
G09FDisplaying17%
H05BElectric heating17%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
PatentTitleYear
10,996,753Multi-mode eye-tracking with independently operable illuminators20214,716,503'Fluorescent display base'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to FINE LINES INTERNATIONAL LTD (1)· patent assignee history
1987Based in New York, NY, US· patent location history
2021Patents assigned to EYETECH DIGITAL SYSTEMS INC (1)· patent assignee history
2021Based in Mesa, AZ, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EYETECH DIGITAL SYSTEMS INC12021
FINE LINES INTERNATIONAL LTD11987
Locations
LocationPatentsSpan
Mesa, AZ, US12021
New York, New York, US11987