Inventor

Tom Spehalski

Inventor

Emporium, PA, US

Overview

5→

Patents

2009–2021

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 5 as inventor

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

F21Kprimary

F21KNon-electric light sources using luminescence38%

F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted38%

LOC2625%

PatentTitleYear

11,035,524Self-supporting filament light emitting diode light engine lamp assembly2021 10,767,818Self-supporting filament light emitting diode light engine lamp assembly2020 10,234,079Self-supporting filament light emitting diode light engine lamp assembly2019 D0595434'LED lamp'2009 D0589176'Light emitting diode-based lamp'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009Patents assigned to OSRAM SYLVANIA INC (2)· patent assignee history

2009–2021Based in Emporium, PA, US· patent location history

2019–2021Patents assigned to LEDVANCE LLC (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
LEDVANCE LLC	3	2019–2021
OSRAM SYLVANIA INC	2	2009

Locations

Location	Patents	Span
Emporium, Pennsylvania, US	5	2009–2021