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Inventor

Dean J. Hirschfield

Inventor
Pittsburgh, PA, US

Overview

2→
Patents
1982–1983
Patent span
Human necessities
Primary field (CPC A)

Patents· 2 as inventor

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

A45Cprimary
A45CPurses33%
A47GHousehold or table equipment33%
G09FDisplaying33%
PatentTitleYear
4,378,876'Display coin holder assemblies'19834,320,831'Plastic containers for small valuable articles'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1983Patents assigned to HIRSCHFIELD DEAN J (2)· patent assignee history
1982–1983Patents assigned to SZABO BELA G (2)· patent assignee history
1982–1983Based in Pittsburgh, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HIRSCHFIELD DEAN Jself21982–1983
SZABO BELA G21982–1983
Locations
LocationPatentsSpan
Pittsburgh, Pennsylvania, US21982–1983