• Inventory number: 371249
  
• Language: en
  
• Type: b
  
• Call number: 608.7
  
• Author number: g799
  
• ISBN: 0-07-024320-4
  
• Title: the practical inventors hand book
  
• Author: greene,orville
  
• Author: frank dufrwith
  
• Author: john berseth
  
• Place of publication and publisher: new york:mc graw hill book company
  
• Publication date: 1979
  
• Pages: 245
  
• Subject: disriptions of inventions and their patents
  

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