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Inventor

Robert A. Schwartzkopf

Inventor
Columbus, IN, US

Overview

7→
Patents
1990–1996
Patent span
Human necessities
Primary field (CPC A)

Patents· 7 as inventor

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

A47Dprimary
A47DFurniture specially adapted for children67%
A47CChairs33%
PatentTitleYear
5,496,094'Seat with expandable frame'19965,480,211'High chair apparatus for attachment to a table or the like'1996D0353493'Infant seat'1994D0353274'Cradle'1994D0349813'Storage container'1994D0335966'Step stool'19934,938,603'Foldable high chair'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1996Patents assigned to COSCO INC (6)· patent assignee history
1990–1996Based in Columbus, IN, US· patent location history
1996Patents assigned to SASSY INC (1)· patent assignee history
1996Based in Grand Rapids, MI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
COSCO INC61990–1996
SASSY INC11996
Locations
LocationPatentsSpan
Columbus, IN, US61990–1996
Grand Rapids, MI, US11996