|SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (category = 'Gutta') ORDER BY date ASC, patent, type|
Total of 2 patents found where: Category is 'Gutta';
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|T / S||Patent||Date||Description||Patentee||Category||Assigned To|
|U||64,315||April 30, 1867||Improvement in Telegraph Insulator
Gutta-percha and bell covering to keep section of wire dry
|HENDRICKSON, Stephen C.
|U||105,625||July 26, 1870||Improvement in Telegraph Insulators
Gutta-percha, paraffin or other insulation separating two metal shells
|BALDWIN, William W.
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