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Inventor

Anthony S. Zummer

Inventor
Chicago, IL, US

Overview

2→
Patents
1983–1997
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 2 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification50%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges25%
F16LPipes25%
PatentTitleYear
5,690,139'Valve construction'19974,391,545'Releasable locking connector'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983Patents assigned to METAPORT CORP (1)· patent assignee history
1983Based in Kenilworth, IL, US· patent location history
1997Based in Chicago, IL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
METAPORT CORP11983
Locations
LocationPatentsSpan
Chicago, Illinois, US11997
Kenilworth, Illinois, US11983