US Patent Issued to AUTODESK on Jan. 28 for "Document tracking through version hash linked graphs" (California Inventors)

ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,210,822, issued on Jan. 28, was assigned to AUTODESK INC. (San Francisco).

"Document tracking through version hash linked graphs" was invented by Robert Evon Maguire (San Rafael, Calif.) and Ravinder P. Krishnaswamy (San Francisco).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the invention provide the ability to track document versioning. Before executing an open operation on a first document version, a first before-hash is generated. After executing the open operation, a first after-hash is generated. Before executing a save operation, the first before-hash is acquired, and after execution (resulting in a second document version), a sec...