Inventor

Perry A. Penz

Inventor

Richardson, TX, US

Overview

12→

Patents

1980–1991

Patent span

Physics

Primary field (CPC G)

Patents· 12 as inventor

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

G02Fprimary

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein31%

G06FElectric digital data processing12%

G06NComputing arrangements based on specific computational models12%

G09GArrangements or circuits for control of indicating devices using static means to present variable information12%

G01SRadio direction-finding8%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%

G04GElectronic time-pieces4%

H01HElectric switches4%

H03KPulse technique4%

H10DInorganic electric semiconductor devices4%

PatentTitleYear

5,053,974'Closeness code and method'1991 4,954,963'Neural network and system'1990 4,945,494'Neural network and system'1990 4,547,043'Stacked LCD graphics display'1985 4,533,214'Biaxial substrates in light modulating devices'1985 4,523,812'Plastic liquid crystal devices with unequal substrate thicknesses'1985 4,500,171'Process for plastic LCD fill hole sealing'1985 4,482,213'Perimeter seal reinforcement holes for plastic LCDs'1984 4,409,724'Method of fabricating display with semiconductor circuits on monolithic structure and flat panel display produced thereby'1983 4,364,039'Stacked electro-optic display'1982 4,224,615'Method of using a liquid crystal display device as a data input device'1980 4,212,159'Electronic timepiece'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1991Patents assigned to TEXAS INSTRUMENTS INC (11)· patent assignee history

1980–1991Based in Richardson, TX, US· patent location history

1985Patents assigned to PENZ PERRY A (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TEXAS INSTRUMENTS INC	11	1980–1991
PENZ PERRY Aself	1	1985

Locations

Location	Patents	Span
Richardson, Texas, US	12	1980–1991