`United States Patent
`(10) Number:
`US 10,844,697 J1
`
`Preiss et al. Aug. 3, 2023 (45) Certificate Issued:
`
`
`(54) PERFORATION GUN COMPONENTS AND
`SYSTEM
`
`(71) Applicants:Frank Haron Preiss; Liam McNelis;
`Eric Mulhern; Thilo Scharf; David
`C. Parks
`
`(72)
`
`Inventors: Frank Haron Preiss; Liam MeNelis;
`Eric Mulhern; Thilo Scharf; David
`C. Parks
`
`(73) Assignee: DYNAENERGETICS EUROPE
`GMBH
`
`Trial Numbers:
`
`PGR2021-00078 filed May 10, 2021
`PGR2021-00097 filed Jul. 21, 2021
`
`Post-Grant Review Certificate for:
`
`Patent No.:
`Issued:
`Appl. No.:
`Filed:
`
`10,844,697
`Nov. 24, 2020
`16/585,790
`Sep. 27, 2019
`
`The results of PGR2021-00078 and PGR2021-00097 are
`reflected in this post-grant review certificate under 35
`U.S.C. 328(b).
`
`
`
`POST-GRANT REVIEW CERTIFICATE
`U.S. Patent 10,844,697 J1
`Trial No. PGR2021-00078
`Certificate Issued Aug. 3, 2023
`
`1
`
`AS A RESULT OF THE POST-GRANT REVIEW
`PROCEEDING, IT HAS BEEN DETERMINED
`THAT:
`
`Claims 1-21 are cancelled.
`uf
`uf
`
`uf
`
`uf
`
`uf
`
`
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