| SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN category ON category.patent = patent.patent AND category.type = patent.type WHERE (category.class = '83') ORDER BY date ASC, patent, type |
Total of 5 patents found where: Class is '83';
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| T / S | Patent | Date | Description | Patentee | Category | Assigned To |
| 1875 | ||||||
| U | 160,016 | February 23, 1875 | Improvement in Paper Perforating Machines Machine for perforating paper glass etching patterns |
HEMINGRAY, Robert |
HI | |
| 1929 | ||||||
| U | 1,697,434 | January 1, 1929 | Hole Cutting Machine Machine for cutting holes in Hewlett type suspension disks for links |
MOORE, JR., Stewart L. |
Manufacturing | Locke Insulator Corp. |
| 1936 | ||||||
| U | 2,033,827 | March 10, 1936 | Insulator Forming Machine Machine to form the underside and recesses between skirts and the petticoats by using a trimming device that can be adjusted to any angle and extend inward as needed |
HARVEY, Leo B. FRENCH, Lucius L. |
Manufacturing | Porcelain Insulator Corp. |
| 1942 | ||||||
| U | 2,290,138 | July 14, 1942 | Mechanism for Handling Wire Mesh Machine for handling wire mesh for glass blocks |
BRIDGES, Donald A. |
OI | Owens-Illinois Glass Co. |
| 1944 | ||||||
| U | 2,355,684 | August 15, 1944 | Insulator Cutting Machine Machine to automatically trim the profile in insulators in an assembly line process |
SKIPPER, Edward M. |
Machine | Locke Insulator Corp. |
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