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Inventor

Hannah C. Lehman

Inventor
Batavia, IL, US

Overview

4→
Patents
1985–2021
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

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

G08Gprimary
G08GTraffic control systems20%
H04QSelecting20%
B64CAeroplanes10%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein10%
G05BControl or regulating systems in general10%
G05DSystems for controlling or regulating non-electric variables10%
H04JMultiplex communication10%
H04LTransmission of digital information, e.g. telegraphic communication10%
PatentTitleYear
11,094,211Judgmental oversteering taxi aid system and method202111,037,455Autonomous judgmental oversteering determination system for aircraft taxiing20214,763,317'Digital communication network architecture for providing universal information services'19884,547,877'System for switching multirate digitized voice and data'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985Patents assigned to AT & T BELL LAB (1)· patent assignee history
1985–1988Based in Batavia, IL, US· patent location history
1988Patents assigned to AMERICAN TELEPHONE & TELEGRAPH (1)· patent assignee history
2021Patents assigned to ROCKWELL COLLINS INC (2)· patent assignee history
2021Based in College Station, TX, US· patent location history
2021Based in Austin, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ROCKWELL COLLINS INC22021
AMERICAN TELEPHONE & TELEGRAPH11988
AT & T BELL LAB11985
Locations
LocationPatentsSpan
Batavia, Illinois, US21985–1988
College Station, Texas, US12021
Austin, Texas, US12021