|SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN name ON name.patent = patent.patent AND name.type = patent.type WHERE (last_name = 'PRENZEL') AND (first_name = 'Henry') ORDER BY date ASC, patent, type|
Total of 1 patents found where: Last Name is 'PRENZEL'; First Name is 'Henry';
View a patent by clicking on the patent number. You can sort by any of the columns by clicking on the column name.
|T / S||Patent||Date||Description||Patentee||Category||Assigned To|
|U||315,660||April 14, 1885||Supporting Insulator for Telegraph Wires
Self-tying screw top (see 1,305,168)
||Self-tying Screw Top|
Total of 0.01 seconds