LexDanaLexDanabeta
Inventor

Ian Spencer

Inventor
Neu-Isenburg, DE

Overview

2→
Patents
2000–2003
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 2 as inventor

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

E02Dprimary
E02DFoundations33%
G06FElectric digital data processing33%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests33%
PatentTitleYear
6,567,798'Method and system for consistent updates of redundant data in relational databases'20036,074,132'Lining for a landfill site'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000Patents assigned to HANSON QUARRY PRODUCTS EUROP L (1)· patent assignee history
2000Based in Belper, GB· patent location history
2003Patents assigned to IBM (1)· patent assignee history
2003Based in Neu-Isenburg, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HANSON QUARRY PRODUCTS EUROP L12000
IBM12003
Locations
LocationPatentsSpan
Neu-Isenburg, DE12003
Belper, GB12000