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Inventor

Garry L. Briggs

Inventor
Edmonton, CA

Overview

2→
Patents
1982–1987
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.

C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere40%
C04BLime, magnesia20%
E21BEarth or rock drilling20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
PatentTitleYear
4,698,168'Corrosion inhibitor for well acidizing treatments'19874,332,619'Expansive admixture'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982Patents assigned to BJ HUGHES INC (1)· patent assignee history
1982–1987Based in Edmonton, CA· patent location history
1987Patents assigned to HUGHES TOOL CO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BJ HUGHES INC11982
HUGHES TOOL CO11987
Locations
LocationPatentsSpan
Edmonton, CA21982–1987