Inventor
Ronald Birne-Browne
Inventor
Calgary, CA
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling100%
PatentTitleYear
7,152,701'Cutting element structure for roller cone bit'2006Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006Patents assigned to SMITH INTERNATIONAL (1)· patent assignee history
2006Based in Calgary, CA· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SMITH INTERNATIONAL | 1 | 2006 |
Locations
| Location | Patents | Span |
|---|---|---|
| Calgary, CA | 1 | 2006 |