History of the B.D. Tillinghast Machine Shop

Est. 1883, McDonald, PA.

- Patent Info -

First DC&U Patent number 633338, Patent in 1889.

Reissue of first DC&U Patent number 633338, Patent in 1902.

Second DC&U design. Patent number 633339, Patent in 1889.

Reissue of second DC&U Patent number 633339, Patent in 1902.

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