Latest additions to the Directory of American Tool and Machinery Patents (DATAMP)

  • US Patent: 916,197
    Mainspring Winder Patentee: Albert F. Robbins - Waltham MA Granted:1909-03-23 Manufactured by Kendrick & Davis - Lebanon NH This is one of 73,049 patents currently in the database at datamp.org Read more »
  • US Patent: 394,507
    Mainspring Winder Patentee: Albert F. Robbins - Orange MA Granted:1888-12-11 Manufactured by Kendrick & Davis - Lebanon NH This is one of 73,049 patents currently in the database at datamp.org Read more »
  • US Patent: 837,577
    Watch Roller Remover Patentee: William N. Loud - Quincy, Norfolk County MA Granted:1906-12-04 Assigned to Kendrick & Davis - Lebanon, Grafton County NH This is one of 73,049 patents currently in the database at datamp.org Read more »
  • US Patent: 1,004,755
    Watch Key Patentee: Joseph Howard Dunaway - San Francisco CA Granted:1911-10-03 This is one of 73,049 patents currently in the database at datamp.org Read more »
  • US Patent: 986,695
    Mainspring Winder Patentee: Frank R. Cunningham - Medford, Middlesex County MA Granted:1911-03-14 Assigned to Kendrick & Davis - Lebanon, Grafton County NH This is one of 73,049 patents currently in the database at datamp.org Read more »