I’ve bought John out of vacuum cleaners.
John is out of vacuum cleaners because I've bought them all. I cleaned out John's supply of vacuum cleaners. Et cetera :)
I purchased all the vacuum cleaners John had for sale. I purchased John's entire inventory of vacuums.
I purchased John's entire stock of vacuum cleaners. John's entire stock of vacuum cleaners, was bought by me.
I bought all of John's vacuum cleaners.
I have bought all the vacuum cleaners that John had. I have bought all of John's vacuum cleaners.