Mike's Genealogy Site
Louis Rosen's Patents
A drawing from a patent obtained by Lou Rosen in 1934 for an improvement in the design of a safety razor.
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- An improvement in the film transport mechanism for a camera - 1918
- An improvement in the film transport mechanism for a camera - 1921
- An improved method for attaching electrical wires - 1930
- An improvement the design of a safety razor - 1934
- An improvement in the design of a campaign-type button - 1955
- An improvement in the design of a pin-on identification badge - 1960
- An improvement in the design of a pin-on identification badge - 1961
- A device to allow for the easy and clean disposal of tea bags - 1969