Name and Date Patents (1790-1836) by Patent and Trademark Depository Library ProgramCall Number: T223.V3 N36 1999
Publication Date: [1999]
Index to the X patents, so-named because they were initially unnumbered, then later assigned numbers chronologically by date granted. Contains patents' X number, inventor name, date, and title. Those that were recovered from the 1836 Patent Office fire have class and subclass numbers written in the rightmost columns.