LexDanaLexDanabeta
Inventor

David E. Ward

Inventor
Ashland, OR, US

Overview

4→
Patents
1983–2009
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.

A61Nprimary
A61NElectrotherapy33%
B28BShaping clay or other ceramic compositions33%
E04BGeneral building constructions33%
PatentTitleYear
7,481,960'Mobile straw beam fabricator'20096,094,872'Partition and floor channel construction'2000D0333897'Non-tipping trash container'19934,408,606'Rate related tachycardia control pacer'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983Patents assigned to TELECTRONICS PTY LTD (1)· patent assignee history
1983Based in London, GB· patent location history
1993Patents assigned to WARD DAVID E (1)· patent assignee history
1993Based in Hanover, IN, US· patent location history
2000Patents assigned to STEELCASE DEV INC (1)· patent assignee history
2000Based in Alto, MI, US· patent location history
2009Patents assigned to ASHLAND SCHOOL OF ENVIRONMENTA (1)· patent assignee history
2009Based in Ashland, OR, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ASHLAND SCHOOL OF ENVIRONMENTA12009
STEELCASE DEV INC12000
TELECTRONICS PTY LTD11983
WARD DAVID Eself11993
Locations
LocationPatentsSpan
Ashland, OR, US12009
Alto, MI, US12000
Hanover, IN, US11993
London, GB11983