![]() | ![]() | ||
Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login |
Quick search: |
Patents for Frederic Kraengel | |||||
![]() ![]() ![]() ![]() ![]() ![]() | |||||
Picture | Number | Date | Patentee | Title | |
![]() | 231,331 | Aug. 17, 1880 | F. Kraengel | Adjustable Frog for Plane Cutter Adjustments | |
![]() | 231,332 | Aug. 17, 1880 | F. Kraengel | Nail-Extractor | |
![]() | 250,080 | Nov. 29, 1881 | F. Kraengel | Spirit Level |