Changes

Reel and frame give the location on the microfilm files where the particular transaction is recorded. The reel number and frame number are unique to a transaction between the assignee and assignor. The recdate gives the date the assignment was recorded by the USPTO. Patentid is the patent number, either foreign or American, or the application number of the patent involved in the transaction. The country is the country of the original inventor or patent applicant. Kind identifies the type of patent, when it was granted, and whether the patentid corresponds to a patent or a patent application. The filing date is the date the patent application was filed. Inventiontitle is the title of the patent.