Inventor

O. Marlene Isenberg

Inventor
Duncan, OK, US

Overview

9→
Patents
1997–2011
Patent span
Chemistry
Primary field (CPC C)

Patents· 9 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere53%
E21BEarth or rock drilling29%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12%
Y10TTechnical subjects covered by former us classification6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2011Patents assigned to HALLIBURTON ENERGY SERV INC (9)· patent assignee history
1997–2011Based in Duncan, OK, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HALLIBURTON ENERGY SERV INC91997–2011
Locations
LocationPatentsSpan
Duncan, OK, US91997–2011