| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 165/54 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 1,748,126 | Feb. 25, 1930 | E.A. Hall | Pilot Stem | valve grinding tools | |
| 2,110,367 | Mar. 08, 1938 | I.J. Knudson | Air Conditioning System | air conditioning apparatus | |