Amaretta
Yeah, you'll want to contact a patent lawyer for that. He'll enjoy the laughs.
Clive
No you didn't so you can't.
Nikki P
Sorry. However if you have a new way of baking them you can trademark that.
Trivial One
No, you didn't. And, no, you couldn't.
choko_canyon
Not anymore you can't, they're in the public domain. You really should have thought of that about a century and a half ago when they came out.