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Inventor

Donald K. Ferguson

Inventor
Peterborough, CA

Overview

2→
Patents
1985–2000
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

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

H01Hprimary
H01HElectric switches50%
H01TSpark gaps50%
PatentTitleYear
6,157,286'High voltage current limiting device'20004,538,202'Current transformer secondary voltage limiter'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985Patents assigned to GEN ELECTRIC CANADA (1)· patent assignee history
1985–2000Based in Peterborough, CA· patent location history
2000Patents assigned to GEN ELECTRIC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GEN ELECTRIC12000
GEN ELECTRIC CANADA11985
Locations
LocationPatentsSpan
Peterborough, CA21985–2000