Yes, they are. I stumbled over this one last night: "US5443036: Method of exercising a cat". Someone patented using a laser-point pen to play with a cat. Now, if that isn't invention, I don't know what is!
Speaking of inventions - how about the cellular phone where you just put your finger in your ear, to hear?? That is going to be a hit. Unless the cotton-stick earcleaner lobby makes an extraordinary effort.
It looks like migrating from one Mac to a new Mac isn't a very interesting or troubleless experience. [[Snide remark withheld]].
Now I'm making fun of Macs - here's a poster expressing the admiration of the QuickTime player and MacOSX-Aquas userfriendly design.
Someone claims to have solved the minimal clique partition problem in polynomial time, suggesting that P=NP. Oh dear.