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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (date >= '1868-00-00' AND date < '1869-00-00') ORDER BY category ASC, date, patent, type

Total of 14 patents found where: Year is 1868

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T / S Patent Date Description Patentee Category Assigned To
 Earthenware
U Specimen known 75,815 March 24, 1868 Improvement in Insulators for Telegraphs
Earthenware insulator, cemented galvanized pin coated with paraffin (Brown p. 57)
VARLEY, Cromwell F.
Earthenware  
 Hook
U 75,365 March 10, 1868 Improvement in Insulators
Hook and block inserted in a bracket
CASTLE, Alfred H.
Hook  
U 75,889 March 24, 1868 Improvement in Telegraph Insulators
Hook with metal case secured to crossarm (see reissue 75,889)
FINN, J. L.
Hook  
U 79,951 July 14, 1868 Improvement in Insulators
Hook, improvement on 75,365
CASTLE, A. H.
Hook  
 Lightning Rod
U 74,406 February 11, 1868 Improvement in Lightning Rods
Lightning rod made with twists and folds
MUNSON, David
Lightning Rod  
R 2,888 March 3, 1868 Improvement in Lightning Rods
Lightning rod made by wrapping thin copper sheet metal around a steel rod (see 25,823)
HALL, William
Lightning Rod  
U 77,729 May 12, 1868 Improvement in Lightning Rods
Lightning rod made of wire or iron with a sheet of copper wrapped several times around it
HALL, William
Lightning Rod  
U 79,618 July 7, 1868 Improvement in Pointed Brackets for Lightning Rods
Lightning rod brass supporting bracket with point attached
WELLS, Martin
Lightning Rod  
U 80,205 July 21, 1868 Improvement in Lightning Rods
Lightning rod composed of strands of triangular shaped wire twised into rope and ends of the strands bent out to make multiple points
OTIS, George W.
Lightning Rod  
U 84,210 November 17, 1868 Improvement in Lightning Rods
Lightning rod made of flat U-shaped metal that can be easily fastened together
MUNSON, David
Lightning Rod  
 Lightning Rod Coupling
U 78,459 June 2, 1868 Improvement in Lightning Rods
Means of connecting tubular lightning rods and supporting with rubber brackets
KIRTLAND, George
Lightning Rod Coupling S. Smith
 Oil
U 76,960 April 21, 1868 Improvement in Insulators for Telegraphs
Oil, wax or rubber saturated insulator to improve same (Brown p. 57)
VARLEY, Cromwell F.
Oil  
 Rubber
U 76,358 April 7, 1868 Improvement in Electric Telegraphs
Rubber in porcelain or glass shell; glazed shell; sharp drip edge; ears
VARLEY, Cromwell F.
Rubber  
 Wire
U 75,492 March 10, 1868 Improvement in Telegraph Poles
Wire wrapped pole and crossarms to carry leaking electricity to ground
VARLEY, Cromwell F.
Wire  

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