Inventor

Dennis Keith Ulrich

Inventor
San Francisco, CA, US

Overview

2→
Patents
1999–2021
Patent span
Physics
Primary field (CPC G)

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
AssigneePatentsSpan
WAYMO LLC12021
Locations
LocationPatentsSpan
San Francisco, California, US12021
Salem, OH, US11999