IP Library › Granted Patent US 693,864
Granted Patent S1
US 693,864 · App. 29/442,495 · Granted Nov 19, 2013

Mobile pipe welding device

Inventors: Roger George William Cooper (Birmingham, GB); Dominick Doyle (Birmingham, GB); Michael Berkley Penny (Chippenham, GB)
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Quick Facts
Patent No.
US 693,864
App. No.
29/442,495
Granted
Nov 19, 2013
Kind
S1
Claims (1)

The ornamental design for a mobile pipe welding device, as shown and described.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 26, 2019
From: GRIDWELD WELDING SYSTEMS LIMITED
To: GRIDWELD HOLDINGS LIMITED
Reel/Frame 049600/0913 →
CHANGE OF NAME Recorded May 6, 2015
From: COOPER, ROGER, MR
To: GRIDWELD WELDING SYSTEMS LIMITED
Reel/Frame 035589/0417 →
CHANGE OF NAME Recorded Feb 25, 2015
From: GRIDWELD LIMITED; GRIDWELD WELDING SYSTEMS LIMITED
To: GRIDWELD WELDING SYSTEMS LIMITED
Reel/Frame 035060/0750 →