John Heissenberger was a fairly prolific inventor at the turn of the last century. And in between such fun things as machines to exhibit illuminated pictures, punching machines, and mail-delivering apparatuses, he did take the time to invent a couple of wedge razors.
For those unfamiliar with the term, a wedge razor is a safety razor that uses a wedge shaped blade. Think a section of a straight razors, instead of the flat blade of most other safety razors.
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