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Inventor

James P. Duffy

Inventor
Springfield, PA, US

Overview

3→
Patents
1983–1993
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 3 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification33%
B23CMilling17%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling17%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
PatentTitleYear
5,176,476'Router cutting bit'19934,778,315'Chip removal and tool lubricating device and method'19884,417,999'Free flowing antistatic composition'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983Patents assigned to WITCO CHEMICAL CORP (1)· patent assignee history
1983Based in Memphis, TN, US· patent location history
1988–1993Patents assigned to BOEING CO (2)· patent assignee history
1988–1993Based in Springfield, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BOEING CO21988–1993
WITCO CHEMICAL CORP11983
Locations
LocationPatentsSpan
Springfield, Pennsylvania, US21988–1993
Memphis, TN, US11983