Inventor
Peter J. Johnston
Inventor
San Francisco, CA, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H05Kprimary
H05KPrinted circuits22%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1022%
Y02PClimate change mitigation technologies in the production or processing of goods22%
A47CChairs11%
H01LSemiconductor devices11%
H02JElectric power networks11%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978Patents assigned to SPILLER SPRING CO (1)· patent assignee history
1978Based in Conyngham, PA, US· patent location history
2017–2019Patents assigned to APPLE INC (3)· patent assignee history
2017–2019Based in San Francisco, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| APPLE INC | 3 | 2017–2019 |
| SPILLER SPRING CO | 1 | 1978 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Francisco, California, US | 3 | 2017–2019 |
| Conyngham, Pennsylvania, US | 1 | 1978 |