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Inventor

Charles A. Schaefer

Inventor
Essex Junction, VT, US

Overview

1→
Patents
1985
Patent span
Electricity
Primary field (CPC H)

Patents· 1 as inventor

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

H10Pprimary
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1050%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests50%
PatentTitleYear
4,527,325'Process for fabricating semiconductor devices utilizing a protective film during high temperature annealing'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985Patents assigned to IBM (1)· patent assignee history
1985Based in Essex Junction, VT, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IBM11985
Locations
LocationPatentsSpan
Essex Junction, VT, US11985