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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (category = 'Mine') ORDER BY date ASC, patent, type

Total of 7 patents found where: Category is 'Mine';

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T / S Patent Date Description Patentee Category Assigned To
U Specimen known 526,498 September 25, 1894 Conductor Support and Insulator
Jeffrey Mine insulator (CD 185)
OSYOR, David N.
Mine Joseph A. Jeffrey
U Specimen known 667,882 February 12, 1901 Feeder Wire Insulator
Mine insulator (similar to Sackett see 903,692) [CD 1025?]
KING, Charles K.
U Specimen known 696,665 April 1, 1902 Wire Insulator
Mine insulator
BENBOW, William C.
Mine The Benbow Co.
U Specimen known 903,692 November 10, 1908 Feeder Wire Insulator
Mine insulator (Sackett type, similar to 667,882)
FINCKEL, George M.
Mine The Sackett Mine Supply Co.
U 971,322 September 27, 1910 Mine Insulator
Mine hanger insulator (see GB191027804)
SPEAKMAN, Charles W.
U 1,031,975 July 9, 1912 Mine insulator
Mine insulator
WARREN, Frederic A.
U 1,213,002 January 16, 1917 Insulator
Mine insulator
PIERCE, Frank C.

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