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Broach recoil mechanism
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Patent number 11,142,293
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Issue date Oct 12, 2021
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Advanced Acoustic Concepts, LLC
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Antonio Paulic
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F41 - WEAPONS
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Multiple shot spear gun
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Patent number 9,506,717
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Issue date Nov 29, 2016
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King Abdulaziz University
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Hassan Mohammed H. Jaber
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F41 - WEAPONS
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Underwater firearm system
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Patent number 8,991,093
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Issue date Mar 31, 2015
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UFS Associates, Trustee for Underwater Firearm System CRT Trust
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S. Mill Calvert
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F41 - WEAPONS
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Gun-armed countermeasure
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Patent number 6,923,105
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Issue date Aug 2, 2005
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The United States of America as represented by the Secretary of the Navy
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Thomas J. Gieseke
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F41 - WEAPONS
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Shark projectile
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Patent number 4,854,238
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Issue date Aug 8, 1989
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Sam A. Vaice
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F42 - AMMUNITION BLASTING
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Shark saber
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Patent number 4,757,628
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Issue date Jul 19, 1988
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Gary M. Bulfer
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F41 - WEAPONS
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Signalling device
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Patent number 4,633,969
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Issue date Jan 6, 1987
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Malcolm G. Palmer
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F42 - AMMUNITION BLASTING