Inventor

Richard K. Althans

Inventor

Long Grove, IL, US

Overview

1977–1999

Patent span

LOC

Primary field

Patents· 25 as inventor

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

LOC14primary

LOC1450%

LOCD130%

H01JElectric discharge tubes or discharge lamps10%

H04NPictorial communication, e.g. television10%

PatentTitleYear

D0416264'Set-top-box'1999 D0408037'Set-top-box'1999 D0407090'Trackball remote control'1999 D0384056'Projection television'1997 D0381661'Track ball remote control unit'1997 D0368710'Projection television'1996 D0359043'Top loading video cassette recorder (VCR)'1995 D0356794'Remote control unit'1995 D0356312'Remote control unit'1995 D0344510'Video cassette recorder (VCR)'1994 D0344075'Video monitor'1994 D0341838'Remote control unit'1993 D0339574'Flat front CRT display'1993 5,229,684'Video display device with planar front surface'1993 D0335665'Television set'1993 D0326849'Video cassette recorder'1992 D0322434'Video cassette recorder'1991 D0311218'Joystick'1990 D0302686'Portable two-way radio or similar article'1989 D0283888'Battery or similar article'1986 D0281600'Radio pager or similar article'1985 D0280507'Portable two-way radio or similar article'1985 D0248025'Television receiver'1978 D0245841'Television receiver'1977 D0244231'Television receiver'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1978Patents assigned to ZENITH RADIO CORP (3)· patent assignee history

1977–1999Based in Long Grove, IL, US· patent location history

1985–1989Patents assigned to MOTOROLA INC (4)· patent assignee history

1986Based in Long Gove, IL, US· patent location history

1990Patents assigned to WICO DISTRIB CORP (1)· patent assignee history

1991–1999Patents assigned to ZENITH ELECTRONICS CORP (17)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ZENITH ELECTRONICS CORP	17	1991–1999
MOTOROLA INC	4	1985–1989
ZENITH RADIO CORP	3	1977–1978
WICO DISTRIB CORP	1	1990

Locations

Location	Patents	Span
Long Grove, Illinois, US	24	1977–1999
Long Gove, Illinois, US	1	1986