IP Library › Granted Patent US 636,692
Granted Patent S1
US 636,692 · App. 29/311,863 · Granted Apr 26, 2011

Double tourbillon skeleton watch movement

Assignee: Manufacture Roger Dubuis S.A.
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Quick Facts
Patent No.
US 636,692
App. No.
29/311,863
Granted
Apr 26, 2011
Kind
S1
Claims (1)

The ornamental design for a double tourbillon skeleton watch movement, as shown and described.

Assignments (2)
MERGER Recorded Sep 9, 2016
From: MANUFACTURE ROGER DUBUIS SA
To: RICHEMONT INTERNATIONAL SA
Reel/Frame 039683/0015 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 27, 2009
From: POSPIESZNY, SEBASTIEN; CHARRIER, BASTIEN; BRUTTIN, GREGORY
To: MANUFACTURE ROGER DUBUIS S.A
Reel/Frame 023154/0148 →
Priority Claims (1)
WO DM/071 407 · Jan 16, 2009 · international