Enter search criteria below--country, date, patent number, brand/trade name or inventor. Enter date as Month/Day/Year (1/21/1909) or Year (1909). Any combination may be entered. The result will be an 'AND' operation of the entries. Choosing "X" under brand/trade name will select all entries with a brand/trade name. No entries defaults to entire list. For US patents the link in the search results is only to the USPTO. The patent no. must be entered using the (Basic Search). If less than 7 digits add leading zeros. |