IP Library › Granted Patent US 1,022,305
Granted Patent S1
US 1,022,305 · App. 29/804,033 · Granted Apr 9, 2024

Filament for light bulb

Inventor: Song Wang (Chengdu, CN)
Assignee: DONGGUAN HUIHUAN LIGHTING CO., LTD.
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Quick Facts
Patent No.
US 1,022,305
App. No.
29/804,033
Granted
Apr 9, 2024
Kind
S1
Claims (1)

The ornamental design for a filament for light bulb, as shown and described.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 17, 2021
From: WANG, SONG
To: DONGGUAN HUIHUAN LIGHTING CO., LTD.
Reel/Frame 057207/0315 →