Inventor
Waldemar S. Wisniewski
Inventor
Orangevale, CA, US
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling14%
H01FMagnets14%
H01HElectric switches14%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems14%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters14%
H03KPulse technique14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–1985Patents assigned to EXPLORATION LOGGING INC (2)· patent assignee history
1982–1985Based in Orangevale, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EXPLORATION LOGGING INC | 2 | 1982–1985 |
Locations
| Location | Patents | Span |
|---|---|---|
| Orangevale, California, US | 2 | 1982–1985 |