|Brant, Jacob F.|| ||Union Township, Fayette County||Pennsylvania||1835||1851|
|Brant, Jacob F.|| ||Pittsburg||Pennsylvania||1852|| |
|Brant, Jacob F.||46 St. Clair Street||Pittsburg||Pennsylvania||1855||1858|
|Brant, Jacob F.||4 Fifth street Street||Pittsburg||Pennsylvania||1859||1865|
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Haddon's History of Uniontown of 1913.
In 1835 he advertised a gut to put two loads in at once and be discharges separately. He became a partner with Samuel McCosh known as Pittsburgh Gun Works and separated in 1855. Most likely the guns marked J.F.B were made by Jacob F. Brant.