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  Search result  Your search for [author]Hayes, John Edward Rollins, 1873- returned 2 records.  
 
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  Book The nature of patentable invention, its attributes and definition.

by Hayes, John Edward Rollins, 1873-; Cambridge, Mass.: Addison-Wesley Press, 1948.

Subject: Inventions; Patent laws and legislation -- United States.

  
     
Relevance: 32.43%
 
     
  Book Nature of patentable invention, its attributes and definition.

by Hayes, John Edward Rollins, 1873-; Cambridge, Mass.: Addison-Wesley Press, Inc., 1948.

Subject: Inventions; Patent laws and legislation - United States.

  
     
Relevance: 32.43%
 
     
 
         
         
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