The principals of Millspaugh, Rowley & Millspaugh were John H. Millspaugh, Edwin A. Rowley, and Thomas Millspaugh. It was in business by the beginning of 1872, and seems to have split into two by the beginning of 1875. The succeeding firms were Williamsport Machine Co. and Rowley & Hermance.
Information Sources
- A January 1872 patent to John H. Millspaugh, for a panel-raising machine, is assigned to this firm.
- In April 1872, Edwin A. Rowley was granted a cutter-head patent that was assigned to this firm.
- The 1874 work, Wiley's American iron trade manual of the leading iron industries of the United States, has a listing for this firm, as a machinery maker.
- An 1875 patent to John H. Millspaugh, for a tenoning machine, was not assigned.
- An 1875 cutter-head patent to Edwin A. Rowley was not assigned.
- An 1876 cutter-head patent to David K. Overhiser was assigned to himself, John H. Millspaugh, and Thomas Millspaugh, all of Williamsport.
- An 1893 patent to Overhiser was assigned to Rowley & Hermance.