ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,450,169, issued on Oct. 21, was assigned to Dropbox Inc. (San Francisco).
"Cache with guarantee of current data" was invented by Adrian Ziegler-Millard (Kitchener, Canada), Neil Burke (Nelson, Canada), Akos Albert (Denver), Panashe Fundira (Brooklyn, N.Y.) and Michael Coopersmith (Princeton, N.J.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present technology is a cache that provides an implied guarantee that data returned in response to a query is current. The cache uses two techniques together to guarantee that data returned in response to a query from the cache is current. The first technique is a guaranteed clock value. The is a clock value fo...