|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 = '137') ORDER BY date ASC, patent, type|
Total of 6 patents found where: Class is '137';
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||123,878||February 20, 1872||Improvement in Telegraph Insulators
CD 141.9, four projections to reduce surface contact
|EMMINGER, David R. P.
|U||154,638||September 1, 1874||Improvement in Casting Stench Traps
Method of casting lead S-traps
|U||588,318||August 17, 1897||Apparatus for Manufacturing Articles of Glass
Method of keeping glass molten and delivering it to the press
||Manufacturer||3/8 to John C. Grout|
|U||1,307,878||June 24, 1919||Reservoir For Oil Stoves
|U||1,343,343||June 15, 1920||Fuel Reservoir
|BRENNEN, John S.
|U||2,821,158||January 28, 1958||Machine for Coating Bell-Shaped Electrical Suspension Insulators
Machine for automatically glazing suspension insulators and applying a sanded band for cementing the metal cap.
MIGLIORINI, Vincent T.
SMITLEY, Wayne C.
|Manufacturing||General Electric Co.|
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