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Inventor

Robert O. Johnson

Inventor
Benton, KY, US

Overview

6→
Patents
1985–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 6 as inventor

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

C08Lprimary
C08LCompositions of macromolecular compounds29%
A01DHarvesting14%
A47KSanitary equipment14%
F16CShafts14%
F16MFrames, casings or beds of engines, machines or apparatus, not specific to engines, machines or apparatus provided for elsewhere14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
PatentTitleYear
11,067,221Hand hygiene system and method of use202110,517,210Multi-mode trimmer head2019D0302210'Fishing leader dispenser'1989D0296459'Fishing tool'19884,673,708'Impact modified polyetherimide-polycarbonate blends'19874,532,054'Polyetherimide bearing compositions'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1987Patents assigned to GEN ELECTRIC (2)· patent assignee history
1985–1987Based in Marietta, GA, US· patent location history
1988–1989Patents assigned to JOHNSON ROBERT O (2)· patent assignee history
1988–1989Based in Benton, KY, US· patent location history
2019Based in Valley City, OH, US· patent location history
2021Patents assigned to COLE HOMER L (1)· patent assignee history
2021Patents assigned to JOHNSON ROBERT F (1)· patent assignee history
2021Patents assigned to MOORE JAMIE (1)· patent assignee history
2021Based in Arlington, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GEN ELECTRIC21985–1987
JOHNSON ROBERT Oself21988–1989
COLE HOMER L12021
JOHNSON ROBERT Fself12021
MOORE JAMIE12021
Locations
LocationPatentsSpan
Benton, KY, US21988–1989
Marietta, Georgia, US21985–1987
Arlington, Texas, US12021
Valley City, OH, US12019