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Inventor

Keith Newfield

Inventor
Tewksbury, MA, US

Overview

5→
Patents
2000
Patent span
LOC
Primary field

Patents· 5 as inventor

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

LOC23primary
LOC2380%
A61LMethods or apparatus for sterilising materials or objects in general20%
PatentTitleYear
D0435641'Scent dispensing ring for an incandescent bulb'2000D0435099'Incandescent bulb with scent dispensing ring'2000D0434130'Scent dispensing ring for an incandescent bulb'20006,035,098'Scent lamp'2000D0421112'Incandescent bulb with scent dispensing ring'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000Patents assigned to OSRAM SYLVANIA INC (4)· patent assignee history
2000Based in Tewksbury, MA, US· patent location history
2000Based in Tewsbury, MA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OSRAM SYLVANIA INC42000
Locations
LocationPatentsSpan
Tewksbury, Massachusetts, US32000
Tewsbury, Massachusetts, US22000