Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login |
Quick search: |
All Patents in class 166/230 | |||||
Number | Date | Patentee | Title | Type | |
90,787 | Jun. 01, 1869 | L.M. Rumsey, W.P. Smith | Improved drill for rock and earth with attached tube | ||
156,488 | Nov. 03, 1874 | S. Males | Improvement in strainers |