These are officials logos from a Hasbro internal style guide titled How to Smile. The Hasbro Corporate Graphics Standards. The style guide would be used to make sure everyone in the company was following the same rules when it came to how and where logos were used. The style guide also covers things like font usage, background patterns, and signage. This style guide is dated 1999.
The full PDF of the style guide can be downloaded here (5.01M PDF).
Feel free to use any of the high quality logos below: