Inventor

David Chris Spencer

Inventor
Plano, TX, US

Overview

4→
Patents
2003–2019
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

B05Dprimary
B05DProcesses for applying fluent materials to surfaces, in general11%
B27KProcesses, apparatus or selection of substances for impregnating, staining, dyeing, bleaching of wood or similar materials, or treating of wood or similar materials with permeant liquids, not otherwise provided for11%
B60PVehicles adapted for load transportation or to transport, to carry, or to comprise special loads or objects11%
C07CAcyclic or carbocyclic compounds11%
C08BPolysaccharides11%
C08HDerivatives of natural macromolecular compounds11%
C08LCompositions of macromolecular compounds11%
LOC0611%
Y10TTechnical subjects covered by former us classification11%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2014Patents assigned to EASTMAN CHEM CO (2)· patent assignee history
2003Based in Kingsport, TN, US· patent location history
2004Based in Houston, TX, US· patent location history
2014Patents assigned to ALLEN JOHN MICHAEL (1)· patent assignee history
2014Patents assigned to FELTY JR JARVEY EUGENE (1)· patent assignee history
2014Patents assigned to GUINN TIMOTHY L (1)· patent assignee history
2014Based in Kingport, TN, US· patent location history
2019Patents assigned to SPENCER DAVID (1)· patent assignee history
2019Based in Plano, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EASTMAN CHEM CO22003–2014
ALLEN JOHN MICHAEL12014
FELTY JR JARVEY EUGENE12014
GUINN TIMOTHY L12014
SPENCER DAVIDself12019
Locations
LocationPatentsSpan
Plano, Texas, US12019
Kingport, TN, US12014
Houston, Texas, US12004
Kingsport, TN, US12003