Dupont Mfg. Co. manufactured woodworking machinery, saw sharpening and the Dupont Power Hammer. The saw table and the power hammer were from patents of L. D. Howard
      The firm was bought by E. & T. Fairbanks & Co. in 1902
Information Sources:
- Ad in Sep. 1894 issue of Carpentry and Building.
- Carriage and Wagon Makers Machinery and Tools, by Kenneth L. Cope, 2004 page 83
- Iron Trade Review, Volume 60, 18 Jan 1917, pg. 224