LexDanaLexDanabeta
Inventor

Walter T. Brumfield, Jr.

Inventor
Nicholasville, KY, US

Overview

3→
Patents
1976–1981
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

H02Bprimary
H02BBoards, substations or switching arrangements for the supply or distribution of electric power40%
H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
Y10TTechnical subjects covered by former us classification20%
PatentTitleYear
4,261,189'Panelboard vent assembly'19814,131,932'Cover assembly for panelboard'19783,983,311'Auxiliary gutter with lay-in end walls and universal cover'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1981Patents assigned to SQUARE D CO (3)· patent assignee history
1976–1981Based in Nicholasville, KY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SQUARE D CO31976–1981
Locations
LocationPatentsSpan
Nicholasville, KY, US31976–1981