Gillette patent

Yes, in the process of patent examination, it is not forbidden to solve the same technical problem or solve the problem in different ways. As long as your other solutions are three times more than the existing methods, you can get authorization.

For example, after Gillette invented a new shaving method, * * * designed more than 60 ways to realize it, and then according to factors such as cost, more than 30 of them were selected to apply for patents respectively, realizing all-round protection.