IP Library Granted Patent US 606,167
Granted Patent S1
US 606,167 · App. 29/328,863 · Granted Dec 15, 2009

Check valve

Assignee: PGI International, Ltd.
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Quick Facts
Patent No.
US 606,167
App. No.
29/328,863
Granted
Dec 15, 2009
Kind
S1
Claims (1)

The ornamental design for a check valve, as shown and described.

Assignments (3)
MERGER Recorded Oct 11, 2018
From: PGI INTERNATIONAL, LTD.
To: PARKER-HANNIFIN CORPORATION
Reel/Frame 047132/0663 →
SECURITY AGREEMENT Recorded Dec 14, 2011
From: PGI INTERNATIONAL, LTD.
To: AMEGY BANK NATIONAL ASSOCIATION AS ADMINISTRATIVE AGENT
Reel/Frame 027380/0507 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 3, 2008
From: NIMBERGER, SPENCER M.
To: PGI INTERNATIONAL, LTD.
Reel/Frame 021920/0155 →