Inventor
Norman A. Sayers
Inventor
Duncan, OK, US
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties67%
Y10TTechnical subjects covered by former us classification33%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997Patents assigned to HALLIBURTON CO (1)· patent assignee history
1997–1999Based in Duncan, OK, US· patent location history
1999Patents assigned to HALLIBURTON ENERGY SERV INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HALLIBURTON CO | 1 | 1997 |
| HALLIBURTON ENERGY SERV INC | 1 | 1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Duncan, OK, US | 2 | 1997–1999 |