Granted Patent
S1
US 606,167 · App. 29/328,863 · Granted Dec 15, 2009
Check valve
Assignee:
PGI International, Ltd.
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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 →