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Inventor

Robert Case

Inventor
Chicago, IL, US

Overview

4→
Patents
1989–1999
Patent span
Human necessities
Primary field (CPC A)

Patents· 4 as inventor

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

A42Bprimary
A42BHats33%
A61BDiagnosis33%
Y10TTechnical subjects covered by former us classification33%
PatentTitleYear
5,894,925'Medical sharps blade removal and containment structure'19995,862,524'Cap strap attachment'1999D0320099'Portable hand held vacuum cleaner'1991D0305167'Combination wet and dry vacuum cleaner'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1991Patents assigned to EMERSON ELECTRIC CO (2)· patent assignee history
1989–1999Based in Chicago, IL, US· patent location history
1991Based in Cook County, IL, US· patent location history
1999Patents assigned to KIMBERLY CLARK CO (1)· patent assignee history
1999Based in Wapakoneta, OH, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EMERSON ELECTRIC CO21989–1991
KIMBERLY CLARK CO11999
Locations
LocationPatentsSpan
Chicago, Illinois, US21989–1999
Wapakoneta, OH, US11999
Cook County, Illinois, US11991