If you need to put a symbol in your website, photoshop project, publishing project, etc. just copy the symbol(s) below and paste them directly in your content area of your project.
For example just highlight the © below, copy it ('Ctrl key' + 'c' key) and paste('Ctrl key' + 'c' key) it into your Dreamweaver html or design area.
copyright symbol ©
registered trademark ®
Trademark TM ™