Inventor

Rick M. Jeffrey

Inventor
Tomball, TX, US

Overview

1→
Patents
2012
Patent span
Chemistry
Primary field (CPC C)

Patents· 1 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 elsewhere50%
E21BEarth or rock drilling50%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012Patents assigned to BAKER HUGHES INC (1)· patent assignee history
2012Patents assigned to CREWS JAMES B (1)· patent assignee history
2012Patents assigned to GABRYSCH ALLEN D (1)· patent assignee history
2012Patents assigned to HUANG TIANPING (1)· patent assignee history
2012Patents assigned to JEFFREY RICK M (1)· patent assignee history
2012Based in Tomball, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAKER HUGHES INC12012
CREWS JAMES B12012
GABRYSCH ALLEN D12012
HUANG TIANPING12012
JEFFREY RICK Mself12012
Locations
LocationPatentsSpan
Tomball, Texas, US12012