Inventor
Marion D. Barker
Inventor
Sunnyvale, CA, US
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B24Bprimary
B24BMachines, devices, or processes for grinding or polishing50%
G01NInvestigating or analysing materials by determining their chemical or physical properties50%
PatentTitleYear
6,137,860'Digital radiographic weld inspection system'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000Patents assigned to LOCKHEED CORP (1)· patent assignee history
2000Based in Sunnyvale, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LOCKHEED CORP | 1 | 2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sunnyvale, California, US | 1 | 2000 |