BBRags, wow, the thread exploded in length!
Yeah, there are patent rewrites after examiner feedback (and rejections of claims) but ONLY of the claims IIRC. The earlier text (background and description) is pretty much locked-in-stone as-submitted. You can only patent one invention at a time so some of the more interesting devices start continuation patents for additional aspects and related inventions.
The other thing to keep in mind is the patent is only the claims. All the description and titles of patents mean nothing beyond some helpful intrinisic definitions. You cannot say "oh, that was done before" unless you are talking about the actual claims.
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