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Inventor

Richard A. Matthews

Inventor
Lino Lakes, MN, US

Overview

4→
Patents
1978–2014
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.

A47Lprimary
A47LDomestic washing or cleaning20%
B24DTools for grinding, buffing or sharpening20%
G06FElectric digital data processing10%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes10%
G07CTime or attendance registers10%
G09GArrangements or circuits for control of indicating devices using static means to present variable information10%
H04MTelephonic communication10%
Y10TTechnical subjects covered by former us classification10%
PatentTitleYear
8,811,967'Changing the user interface at a telecommunications terminal'20144,271,640'Rotatable floor treating pad'19814,182,616'Method of making a rotatable floor treating pad'19804,101,959'Terminal display and storage system'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to INFORMER INC (1)· patent assignee history
1978Based in Los Angeles, CA, US· patent location history
1980–1981Patents assigned to MINNESOTA MINING & MFG (2)· patent assignee history
1980–1981Based in Lino Lakes, MN, US· patent location history
2014Patents assigned to ABRAMSON SANDRA R (1)· patent assignee history
2014Patents assigned to AVAYA INC (1)· patent assignee history
2014Patents assigned to HOVEY RICHARD REID (1)· patent assignee history
2014Based in West Sussex, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MINNESOTA MINING & MFG21980–1981
ABRAMSON SANDRA R12014
AVAYA INC12014
HOVEY RICHARD REID12014
INFORMER INC11978
Locations
LocationPatentsSpan
Lino Lakes, Minnesota, US21980–1981
West Sussex, GB12014
Los Angeles, California, US11978