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Inventor

Edwin E. Mason

Inventor
Rockbridge, OH, US

Overview

3→
Patents
1983–1985
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.

H02Mprimary
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems43%
B03CMagnetic or electrostatic separation of solid materials from solid materials or fluids29%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests29%
PatentTitleYear
4,523,463'Electronic air filtering apparatus'19854,507,131'Electronic air filtering apparatus'19854,410,934'DC Power supply for an air filter'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1985Patents assigned to MASCO CORP (3)· patent assignee history
1983–1985Based in Rockbridge, OH, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MASCO CORP31983–1985
Locations
LocationPatentsSpan
Rockbridge, OH, US31983–1985