Patents for Thomas R. Hartell


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Patents for Thomas R. Hartell
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
21,831	Oct. 19, 1858	T.R. Hartell	Tool for Making Glass Stoppers	punches
RE949	Apr. 24, 1860	T.R. Hartell	Making Glass Stoppers	punches