Inventor

Richard C. Ellis

Inventor
East Bridgewater, MA, US

Overview

2→
Patents
1989–1992
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

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

E21Bprimary
E21BEarth or rock drilling25%
F25BRefrigeration machines, plants or systems25%
H01HElectric switches25%
H02KDynamo-electric machines25%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to COMPLETION TOOL (1)· patent assignee history
1989Based in Kingwood, TX, US· patent location history
1992Patents assigned to TEXAS INSTRUMENTS INC (1)· patent assignee history
1992Based in East Bridgewater, MA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
COMPLETION TOOL11989
TEXAS INSTRUMENTS INC11992
Locations
LocationPatentsSpan
East Bridgewater, Massachusetts, US11992
Kingwood, Texas, US11989