It's a gift for the lawyers really... who is dumb enough to go against three litigiously-experienced heavy weights with a frivolous patent lawsuit.
I'm not sure if the cable, and the fact that the memory is exchangeable make this "unique" enough to patent, but it reminds me a lot of the memory expansions you could get for the N64, or the fast load cartridges for the Commodore 64.IBM is pitching the invention as a technology that could provide a cheaper and more flexible way to temporarily upgrade the available memory in computing systems ranging from PDAs to servers. According to the description of the patent, the technology includes three separate parts — a connector, a container to hold RAM as well as a cable that couples the connector to the container.
The confusion of a staff member is measured by the length of his memos. -- New York Times, Jan. 20, 1981