IP Library Granted Patent US 1,099,421
Granted Patent S1
US 1,099,421 · App. 29/928,998 · Granted Oct 21, 2025

Hair growth comb

Inventor: Jian Zou (Shenzhen, CN)
Assignee: Slinph Technologies Co., Ltd.
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 1,099,421
App. No.
29/928,998
Granted
Oct 21, 2025
Kind
S1
Claims (1)

The ornamental design for a hair growth comb, as shown and described.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 19, 2024
From: ZOU, JIAN
To: SLINPH TECHNOLOGIES CO., LTD.
Reel/Frame 066487/0490 →
References Cited (6)
US D599954S · Michaels · 2009 [cited by examiner]
US D613908S · Torres Martin · 2010 [cited by examiner]
US D631604S · Michaels · 2011 [cited by examiner]
US D809204S · von Berg · 2018 [cited by examiner]
US D937581S · Zhang · 2021 [cited by examiner]
US D941029S · Zhang · 2022 [cited by examiner]