| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 441/111 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 1,619 | May 25, 1840 | R. Porter | Improvement in life-preservers or buoyant dresses | life preservers | |
| 2,070,818 | Feb. 16, 1937 | G.A. Winckler | Lifesaving Jacket with Automatic Electric Lighting Unit | life preservers | |