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Inventor

Douglas Magnuson

Inventor
Troy, MI, US

Overview

3→
Patents
1987–1994
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

H01Mprimary
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy38%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution38%
B22FWorking metallic powder25%
PatentTitleYear
5,283,139'Alkaline cell'19944,765,598'Apparatus for making electrode material from high hardness active materials'19884,670,214'Method for making electrode material from high hardness active materials'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1988Patents assigned to ENERGY CONVERSION DEVICES INC (2)· patent assignee history
1987–1988Based in Troy, MI, US· patent location history
1994Patents assigned to DURACELL INC (1)· patent assignee history
1994Based in Westboro, MA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ENERGY CONVERSION DEVICES INC21987–1988
DURACELL INC11994
Locations
LocationPatentsSpan
Troy, MI, US21987–1988
Westboro, Massachusetts, US11994