Inventor
Norman L. Johnson
Inventor
Pittsburgh, PA, US
Overview
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
| Assignee | Patents | Span |
|---|---|---|
| JOHNSON NORMAN Lself | 3 | 1991–2021 |
| HEWLETT PACKARD DEVELOPMENT CO | 1 | 2004 |
| JOHNSON NORMANself | 1 | 1997 |
Locations
| Location | Patents | Span |
|---|---|---|
| Pittsburgh, Pennsylvania, US | 2 | 2019–2021 |
| Corvallis, OR, US | 1 | 2004 |
| Santa Ana, California, US | 1 | 1997 |
| Green Bay, WI, US | 1 | 1991 |