Inventor
Robert Holdsworth
Inventor
Cordeaux Heights, AU
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling50%
E21DShafts50%
PatentTitleYear
11,078,790Electric drilling and bolting device2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021Patents assigned to JOY GLOBAL UNDERGROUND MINING LLC (1)· patent assignee history
2021Based in Cordeaux Heights, AU· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| JOY GLOBAL UNDERGROUND MINING LLC | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Cordeaux Heights, AU | 1 | 2021 |