Ghoul Masks
Thursday October 22, 2009
I enjoy reading old patent drawings. It's a fun way to learn about patents and the history of inventions. For example, the patent drawing on the left is from an invention entitled "Noise Making Mask". What you are seeing is an actual USPTO patent drawing done in what is called a perspective view. Most inventors have to submit a series of patent drawings depicting their invention with their application for a patent.
- Utility & Design Patents
- Bats & Pumpkins
- Tombstones
ugly