{
    "contributor": [
        "Gilmore, I. W.", 
        "Holland, C. G.", 
        "Norris Peters Co."
    ], 
    "coverage": [
        "United States - Texas - Tyler County - Colmesneil"
    ], 
    "creator": [
        "Baker, George Washington"
    ], 
    "date": [
        "1891-04-14"
    ], 
    "description": [
        "Patent for improvements in plows by providing \u201ca reversible colter adapted to be applied to any style of plow; such as shovel-plows, half or turning shovels, bull-tongue, or other forms of plows.  Also to provide a convenient means of attaching and detaching the plow\u201d (lines 12-17).  Illustration is included."
    ], 
    "format": [
        "[1], 1 p. : ill. ; 23 cm.", 
        "Text"
    ], 
    "identifier": [
        "pat-no: 450281", 
        "http:\/\/texashistory.unt.edu\/ark:\/67531\/metapth172666\/", 
        "ark: ark:\/67531\/metapth172666"
    ], 
    "language": [
        "English"
    ], 
    "publisher": [
        "United States. Patent Office"
    ], 
    "subject"