IP Library › Granted Patent US 602,564
Granted Patent S1
US 602,564 · App. 29/328,862 · Granted Oct 20, 2009

Check valve

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Quick Facts
Patent No.
US 602,564
App. No.
29/328,862
Granted
Oct 20, 2009
Kind
S1
Claims (1)

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

Assignments (1)
MERGER Recorded Oct 11, 2018
From: PGI INTERNATIONAL, LTD.
To: PARKER-HANNIFIN CORPORATION
Reel/Frame 047132/0663 →