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Inventor

James R. Hetmanski

Inventor
Perry Hall, MD, US

Overview

3→
Patents
1980–1992
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.

H02Gprimary
H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines40%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy20%
H01RElectrically-conductive connections20%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution20%
PatentTitleYear
5,139,898'Lithium-iodine battery'19924,283,971'Wire end locating device for a wire-working station'19814,241,628'Wire stripping machine and method therefor'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1981Patents assigned to BLACK & DECKER INC (2)· patent assignee history
1980–1981Based in Perry Hall, MD, US· patent location history
1992Patents assigned to MINE SAFETY APPLIANCES CO (1)· patent assignee history
1992Based in Baltimore County, MD, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BLACK & DECKER INC21980–1981
MINE SAFETY APPLIANCES CO11992
Locations
LocationPatentsSpan
Perry Hall, Maryland, US21980–1981
Baltimore County, Maryland, US11992