LexDanaLexDanabeta
Inventor

William F. Siersdorfer

Inventor
Houston, TX, US

Overview

1→
Patents
2004
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 1 as inventor

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

E21Bprimary
E21BEarth or rock drilling100%
PatentTitleYear
6,745,834'Complete trip system'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (1)· patent assignee history
2004Based in Houston, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SCHLUMBERGER TECHNOLOGY CORP12004
Locations
LocationPatentsSpan
Houston, Texas, US12004