April 1921 Firearms Trademarks by day
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Firearms Trademarks filed in April 1921
DU PONT
Filed: April 27, 1921
Caps [, Fuses, and Igniters] for BlastINg; [Detonating Caps,] Squibs for IgnITINg Explosive Powder [and Flash Light POWDer…
Owned by: E. I. DU PONT DE NEMOURS AND COMPANY
Serial Number: 71146817
