LexDanaLexDanabeta
Inventor

Ann S. Williams

Inventor
Southbury, CT, US

Overview

4→
Patents
1987–1990
Patent span
Electricity
Primary field (CPC H)

Patents· 4 as inventor

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

H05Kprimary
H05KPrinted circuits57%
C23CCoating metallic material14%
C23FNon-mechanical removal of metallic material from surface14%
Y10TTechnical subjects covered by former us classification14%
PatentTitleYear
4,976,990'Process for metallizing non-conductive substrates'19904,806,200'Method for manufacture of printed circuit boards'19894,732,649'Method for manufacture of printed circuit boards'19884,687,545'Process for stripping tin or tin-lead alloy from copper'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1990Patents assigned to MACDERMID INC (4)· patent assignee history
1987–1990Based in Southbury, CT, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MACDERMID INC41987–1990
Locations
LocationPatentsSpan
Southbury, CT, US41987–1990