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Ralph E. Robertson Jr.
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Largo, FL, US
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Patents Grants
last 30 patents
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Patent Grant
Primer adapter assembly
Patent number
10,989,509
Issue date
Apr 27, 2021
Combined Systems, Inc.
Ralph E. Robertson
F42 - AMMUNITION BLASTING
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Patent Grant
Pyrophoric projectile
Patent number
8,813,652
Issue date
Aug 26, 2014
AMTEC Corporation
Dae Y. Shin
F42 - AMMUNITION BLASTING
Patents Applications
last 30 patents
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Patent Application
PRIMER ADAPTER ASSEMBLY
Publication number
20190107377
Publication date
Apr 11, 2019
Combined Systems, Inc.
Ralph E. Robertson
F42 - AMMUNITION BLASTING