LexDanaLexDanabeta
Inventor

Lester A. Gerhardt

Inventor
Clifton Park, NY, US

Overview

2→
Patents
1976–1996
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.

G06Tprimary
G06TImage data processing or generation, in general22%
A61BDiagnosis11%
A61FFilters implantable into blood vessels11%
G01RMeasuring electric variables11%
G06FElectric digital data processing11%
G06VImage or video recognition or understanding11%
G09GArrangements or circuits for control of indicating devices using static means to present variable information11%
H04NPictorial communication, e.g. television11%
PatentTitleYear
5,481,622'Eye tracking apparatus and method employing grayscale threshold values'19963,971,068'Image processing system'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to US NAVY (1)· patent assignee history
1976Based in Elnora, NY, US· patent location history
1996Patents assigned to RENSSELAER POLYTECH INST (1)· patent assignee history
1996Based in Clifton Park, NY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RENSSELAER POLYTECH INST11996
US NAVY11976
Locations
LocationPatentsSpan
Clifton Park, New York, US11996
Elnora, New York, US11976