![]() | ![]() | ||
Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login |
Quick search: |
Patents for David Heer | |||||
![]() ![]() ![]() ![]() ![]() ![]() | |||||
Picture | Number | Date | Patentee | Title | |
![]() | 141,347 | Jul. 29, 1873 | D. Heer | Improvement in lathes | |
174,238 | Feb. 29, 1876 | D. Heer | Driving Pulley | ||
![]() | RE7,535 | Feb. 27, 1877 | D. Heer | Spiral-cutting lathe |