Inventor

Thomas A. Newton, Jr.

Inventor

Houston, TX, US

Overview

1989–1997

Patent span

Fixed constructions

Primary field (CPC E)

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

E21Bprimary

E21BEarth or rock drilling47%

B23PMetal-working not otherwise provided for16%

B23BTurning11%

B24DTools for grinding, buffing or sharpening11%

B28DWorking stone or stone-like materials5%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

Y10TTechnical subjects covered by former us classification5%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1989–1991Patents assigned to REED TOOL CO (2)· patent assignee history

1989–1997Based in Houston, TX, US· patent location history

1991–1992Patents assigned to NEWTON JR THOMAS A (2)· patent assignee history

1991Patents assigned to BARR JOHN D (1)· patent assignee history

1991Patents assigned to REED TOOL COMPANY LTD (1)· patent assignee history

1992–1997Patents assigned to CAMCO DRILLING GROUP LTD (4)· patent assignee history

1992–1993Based in Harris County, TX, US· patent location history

1997Based in Clifton, GB· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations