I love going through old patents. This one is from 1905. There was a rash of patents for safety razors in 1901 and in 1905. Although a new era of shaving technology was appearing on the scene, you can still see a straight razor influence in many of the contraptions they came up with on a regular basis. Not this particular one, but many others. I also noticed that patents almost always took about a year to be accepted even way back then. It must have also been a government run system... :rofl Anyway, here is what looks like to me to be one of the first examples of a 3-piece razor that became really popular in the 40's. They certainly have come a long way, hey!