Inventor
Donald Hopkins
Inventor
Sacramento, CA, US
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry33%
C10GCracking hydrocarbon oils33%
H03FAmplifiers33%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981Patents assigned to STANDARD OIL CO INDIANA (1)· patent assignee history
1981Based in St. Charles, IL, US· patent location history
1993Patents assigned to UNIV CALIFORNIA (1)· patent assignee history
1993Based in Sacramento, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| STANDARD OIL CO INDIANA | 1 | 1981 |
| UNIV CALIFORNIA | 1 | 1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sacramento, California, US | 1 | 1993 |
| St. Charles, Illinois, US | 1 | 1981 |