IP Library › Granted Patent US 881,345
Granted Patent S1
US 881,345 · App. 29/631,817 · Granted Apr 14, 2020

First stage pressure regulator

Inventor: Sergio Angelini (Lavagna, IT)
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 881,345
App. No.
29/631,817
Granted
Apr 14, 2020
Kind
S1
Claims (1)

The ornamental design for a first stage pressure regulator, as shown and described.

Assignments (2)
CHANGE OF NAME Recorded Nov 5, 2025
From: MARES S.P.A.
To: HEAD WATERSPORTS S.P.A.
Reel/Frame 072792/0046 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 4, 2018
From: ANGELINI, SERGIO
To: MARES S.P.A.
Reel/Frame 044540/0580 →
Priority Claims (3)
EM 004174522-001 · Aug 31, 2017 · regional
EM 004174522-002 · Aug 31, 2017 · regional
EM 004174522-003 · Aug 31, 2017 · regional