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Inventor

David A. Tong

Inventor
San Antonio, TX, US

Overview

4→
Patents
1989–2005
Patent span
Human necessities
Primary field (CPC A)

Patents· 4 as inventor

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

A61Bprimary
A61BDiagnosis50%
G01SRadio direction-finding50%
PatentTitleYear
6,912,414'Electrode systems and methods for reducing motion artifact'20056,480,111'Motion detection for physiological applications'20025,280,293'Mobile direction finder'19944,809,012'Direction finding equipment'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to TONG DAVID A (1)· patent assignee history
1989Based in Leeds, GB· patent location history
1994Patents assigned to DATONG ELECTRONICS LTD (1)· patent assignee history
1994Based in West Yorkshire, GB· patent location history
2002–2005Patents assigned to SOUTHWEST RES INST (2)· patent assignee history
2002–2005Based in San Antonio, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SOUTHWEST RES INST22002–2005
DATONG ELECTRONICS LTD11994
TONG DAVID Aself11989
Locations
LocationPatentsSpan
San Antonio, Texas, US22002–2005
West Yorkshire, GB11994
Leeds, GB11989