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Inventor

Lisa E. Chisholm

Inventor
Prospect Heights, IL, US

Overview

3→
Patents
1983–2001
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 3 as inventor

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

F16Bprimary
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges33%
A47GHousehold or table equipment17%
F16FSprings17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
Y10TTechnical subjects covered by former us classification17%
PatentTitleYear
6,176,475'Air damper with adjustable air flow rate'20014,728,238'Plastic drive fastener'19884,406,033'Fastener for attachment of a continuous article to a support'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–2001Patents assigned to ILLINOIS TOOL WORKS (3)· patent assignee history
1983Based in Oak Park, IL, US· patent location history
1988Based in Chicago Heights, IL, US· patent location history
2001Based in Prospect Heights, IL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ILLINOIS TOOL WORKS31983–2001
Locations
LocationPatentsSpan
Prospect Heights, Illinois, US12001
Chicago Heights, Illinois, US11988
Oak Park, Illinois, US11983