| Patents for Frederick C. Fraentzel |
Patents 1 -
10
of 15
      |
| Picture | Number | Date | Patentee | Title |
 | 405,385 | Jun. 18, 1889 | W.A. Williamson | Corkscrew |
 | 521,443 | Jun. 12, 1894 | S.D. Shepperd | Gas Engine |
 | 564,356 | Jul. 21, 1896 | G.B. Adams | Badge Pin or Button |
 | 583,561 | Jun. 01, 1897 | W.A. Williamson | Corkscrew |
 | 587,900 | Aug. 10, 1897 | W.A. Williamson | Corkscrew |
 | D29,798 | Dec. 13, 1898 | W.A. Williamson | Cap Lift |
 | D30,196 | Feb. 14, 1899 | O. Barnett, Jr. | Design for a cope or drag for molders' flasks |
| | 627,967 | Jul. 04, 1899 | E.J. Bein | Card-index |
| | 631,772 | Aug. 29, 1899 | E.J. Bein | Bill-file |
| | 667,288 | Feb. 05, 1901 | E.J. Bein | Extension-slide for drawers of cabinets, &c. |
