pen pistol - us patent 2880543
TRANSCRIPT
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8/22/2019 Pen Pistol - US Patent 2880543
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TRANSCRIPT
8/22/2019 Pen Pistol - US Patent 2880543
1/3
8/22/2019 Pen Pistol - US Patent 2880543
2/3
8/22/2019 Pen Pistol - US Patent 2880543
3/3