Inventor
Dennis Keith Ulrich
Inventor
San Francisco, CA, US
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B07Bprimary
B07BSeparating solids from solids by sieving, screening, sifting or by using gas currents20%
G01CMeasuring distances, levels or bearings20%
G01SRadio direction-finding20%
G05DSystems for controlling or regulating non-electric variables20%
H05KPrinted circuits20%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999Based in Salem, OH, US· patent location history
2021Patents assigned to WAYMO LLC (1)· patent assignee history
2021Based in San Francisco, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WAYMO LLC | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Francisco, California, US | 1 | 2021 |
| Salem, OH, US | 1 | 1999 |