User:Thinkofanidea

Joseph Hon “Inventor” Patent Number: 561,888

Mr. Hon invented the thumb notch index for dictionaries. He received his patent June 9, 1896. For viewing of his patent click on the U.S. Patent Office website and then type in his patent number. In order to view his patent you have to click on images. http://patft.uspto.gov/netahtml/PTO/srchnum.htm