LexDanaLexDanabeta
Inventor

Roger M. Lewis

Inventor
Duncan, OK, US

Overview

3→
Patents
1994–1998
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G01Dprimary
G01DMeasuring not specially adapted for a specific variable20%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure20%
G01VGeophysics20%
G08CTransmission systems for measured values, control or similar signals20%
G11CStatic stores20%
PatentTitleYear
5,712,631'Intrinsically safe data network'19985,430,882'Apparatus and method for protecting data stored in memory'19955,319,965'Multiple channel pressure recorder'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–1998Patents assigned to HALLIBURTON CO (3)· patent assignee history
1994–1998Based in Duncan, OK, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HALLIBURTON CO31994–1998
Locations
LocationPatentsSpan
Duncan, OK, US31994–1998