Rooms

Imported from a comment discussion on https://patents.stackexchange.com/questions/24547/if-you-are-the-first-to-manufacture-produce-a-product-can-you-later-retroacti/24942#24942

Imported from a comment discussion on http://patents.stackexchange.com/questions/14703/how-should-i-structure-my-claims-and-embodiments-in-regards-to-a-patent-for-an-i