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Inventor

David N. Stafford

Inventor
Aurora, OH, US

Overview

2→
Patents
1993–2013
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B23Kprimary
B23KSoldering or unsoldering67%
G05DSystems for controlling or regulating non-electric variables33%
PatentTitleYear
8,530,777'Welding purge control using electronic flow control'20135,223,686'Orbital welding apparatus with safety interlock'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993Patents assigned to CAJON CO (1)· patent assignee history
1993Based in Lakewood, OH, US· patent location history
2013Patents assigned to ALES RICHARD A (1)· patent assignee history
2013Patents assigned to MUSSIG MICHAEL (1)· patent assignee history
2013Patents assigned to PONIKVAR WILLIAM (1)· patent assignee history
2013Patents assigned to SILK KEVIN (1)· patent assignee history
2013Based in Aurora, OH, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ALES RICHARD A12013
CAJON CO11993
MUSSIG MICHAEL12013
PONIKVAR WILLIAM12013
SILK KEVIN12013
Locations
LocationPatentsSpan
Aurora, OH, US12013
Lakewood, OH, US11993