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Entry |
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Square End Cap Filter Cartridge reference found online [Sep. 12, 2018]—Square End Cap Filter Cartridge. |
Petition for Inter Parties Review of U.S. Pat. No. 8,673,037; Apr. 29, 2016; 67 pages. |
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Travis Hayman Declaration U.S. Pat. No. 9,174,155 patent; Clark Filter Ex. 1002; 51 pages. |
Number | Date | Country | |
---|---|---|---|
Parent | 14688541 | Apr 2015 | US |
Child | 29611631 | US |