Inventor
John F. Volkmar
Inventor
Boulder, CO, US
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B23Kprimary
B23KSoldering or unsoldering20%
E01CConstruction of, or surfaces for, roads, sports grounds, or the like20%
E21BEarth or rock drilling20%
E21CMining or quarrying20%
E21DShafts20%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2019Patents assigned to DE WITT RONALD A (1)· patent assignee history
2019Patents assigned to FAIRCLOTH BRIAN O (1)· patent assignee history
2019Patents assigned to FORO ENERGY INC (1)· patent assignee history
2019Patents assigned to GRUBB DARYL L (1)· patent assignee history
2019Patents assigned to KOLACHALAM SHARARTH (1)· patent assignee history
2019Based in Boulder, CO, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DE WITT RONALD A | 1 | 2019 |
| FAIRCLOTH BRIAN O | 1 | 2019 |
| FORO ENERGY INC | 1 | 2019 |
| GRUBB DARYL L | 1 | 2019 |
| KOLACHALAM SHARARTH | 1 | 2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Boulder, CO, US | 1 | 2019 |