Inventor

Norman L. Johnson

Inventor
Pittsburgh, PA, US

Overview

5→
Patents
1991–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 5 as inventor

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

A61Bprimary
A61BDiagnosis29%
A01JManufacture of dairy products14%
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing14%
B41JTypewriters14%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors14%
LOC0714%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2021Patents assigned to JOHNSON NORMAN L (3)· patent assignee history
1991Based in Green Bay, WI, US· patent location history
1997Patents assigned to JOHNSON NORMAN (1)· patent assignee history
1997Based in Santa Ana, CA, US· patent location history
2004Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (1)· patent assignee history
2004Based in Corvallis, OR, US· patent location history
2019–2021Based in Pittsburgh, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JOHNSON NORMAN Lself31991–2021
HEWLETT PACKARD DEVELOPMENT CO12004
JOHNSON NORMANself11997
Locations
LocationPatentsSpan
Pittsburgh, Pennsylvania, US22019–2021
Corvallis, OR, US12004
Santa Ana, California, US11997
Green Bay, WI, US11991