| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 138/154 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 127,438 | Jun. 04, 1872 | A.P. Stephens | Improvement in the manufacture of cement pipes | pipes | |
| 946,919 | Jan. 18, 1910 | A.A. Koch | Corrugated culvert and process of producing same | ||
| 1,841,300 | Jan. 12, 1932 | W.T. Scarritt | Tubing | ||
| 1,869,224 | Jul. 26, 1932 | W.T. Scarritt | Receptacle and method of making the same | fire extinguishers | |