Patents for Franklin Hardinge |
Patents 1 -
10
of 56
      |
Picture | Number | Date | Patentee | Title |
 | 438,415 | Oct. 14, 1890 | F. Hardinge | Watch-maker's polisher |
 | 438,416 | Oct. 14, 1890 | F. Hardinge | Watch maker's roller extractor |
 | 703,725 | Jul. 01, 1902 | F. Hardinge | Diopter gage |
 | 766,245 | Aug. 02, 1904 | F. Hardinge | Automatic gear cutting machine |
 | 894,634 | Jul. 28, 1908 | F. Hardinge | Lathe |
 | 894,635 | Jul. 28, 1908 | F. Hardinge | Lathe |
 | 895,456 | Aug. 11, 1908 | F. Hardinge | Attachment for phonographic machines |
 | 900,531 | Oct. 06, 1908 | F. Hardinge | Lens measuring instrument |
 | 908,664 | Jan. 05, 1909 | F. Hardinge | Lathe structure |
 | 912,312 | Feb. 16, 1909 | F. Hardinge | Receptacle for keys for watchmen's clock |