Inventor

Norman A. Sayers

Inventor
Duncan, OK, US

Overview

2→
Patents
1997–1999
Patent span
Physics
Primary field (CPC G)

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
AssigneePatentsSpan
HALLIBURTON CO11997
HALLIBURTON ENERGY SERV INC11999
Locations
LocationPatentsSpan
Duncan, OK, US21997–1999