Shot pattern control device for shot guns
United States Patent 2922242
US Patent References:
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- - 2558200

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- - 2589171

Adjustable choke
- - 2634537

Shotgun muzzle device
- - 2662326


Inventors:
Pachmayr, Frank A.
Huskey, Lloyd L.
Publication Date:
01/26/1960
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Assignee:
Pachmayr
Primary Class:
42/79
International Classes:
F41A21/40; F41A21/00
US Patent References:
2867932Automatic choke for shotguns