Inventor
Douglas Neil Burwell
Inventor
Georgetown, CA
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling25%
H01BCables25%
H01RElectrically-conductive connections13%
H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
Y10TTechnical subjects covered by former us classification13%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002Patents assigned to SHAWCOR LTD (1)· patent assignee history
2002–2018Based in Georgetown, CA· patent location history
2017–2018Patents assigned to ROCKBESTOS SURPRENANT CABLE CORP (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ROCKBESTOS SURPRENANT CABLE CORP | 2 | 2017–2018 |
| SHAWCOR LTD | 1 | 2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Georgetown, CA | 3 | 2002–2018 |