|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 = '211') ORDER BY date ASC, patent, type|
Total of 5 patents found where: Class is '211';
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||49,633||August 29, 1865||Joints of Lightning Rods
Joint or coupling for tubular lightning rod that slips over the rod and secured with a screw
||Lightning Rod Coupling|
|D||13,996||June 19, 1883||Design for an Inkstand
|GRAY, Lawrence B.
|U||1,027,711||May 28, 1912||Pole Cross Arm
Metal crossarm with metal pins
|ETTE, Charles G.
||Pin||Ette Investment Co.|
|U||1,722,672||July 30, 1929||Insulator Supporting Bracket
Secondary rack of simple but strong design eliminating rivets.
|LUNDELL, Elmer W.
||Bracket/secondary Rack||Seyler Mfg. Co.|
|U||2,609,418||September 2, 1952||Adjustably Mounted Insulator Assembly
Electric fence insulator with hexagon head used with metal mounting bracket (see patent 2,756,958)
|BINNS, Jack N.
DUGLE, Thomas E.
ALT, Alvin F.
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