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Inventor

David Bruce Parker

Inventor
Canyon, TX, US

Overview

2→
Patents
2004–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C05Cprimary
C05CNitrogenous fertilisers20%
C05GMixtures of fertilisers covered individually by different subclasses of class c0520%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium20%
C09KMaterials for miscellaneous applications, not provided for elsewhere20%
H04MTelephonic communication20%
PatentTitleYear
11,021,414Liquid formulations of urease inhibitors for fertilizers20216,771,748'Controlling customized announcements to subscribers and responses thereto in a telecommunication system'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004Patents assigned to LUCENT TECHNOLOGIES INC (1)· patent assignee history
2004Based in Swindon, GB· patent location history
2021Patents assigned to WORLD SOURCE ENTPR LLC (1)· patent assignee history
2021Based in Canyon, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LUCENT TECHNOLOGIES INC12004
WORLD SOURCE ENTPR LLC12021
Locations
LocationPatentsSpan
Canyon, Texas, US12021
Swindon, GB12004