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HISTORIC PATENTS 1976 - Present  
The Patent Act of July 4, 1836, required that all patents issued, after this date, be assiged a sequential number beginning with the number 1. During the period from January, 1976 to the present, patents were issued from 3,930,271 to 7 million plus. The USPTO database can be searched by, Patent Number, Inventor Name, Invention Title, Current US Classification.and over 17 other fields of data. The search will produce a full text of the patent document. To display the actual patent and its accompanying drawings will still require a "TIFF" plug-in for your browser.
U.S. Patent
 Number
Date
 Granted
Inventor (s) Description
Common in bold. Patent in CAPS.
6,009,555 01.04.2000 Leonard Siprut First 21st Century Patent Issued
MULTIPLE COMPONENT HEADGEAR SYSTEM
 
Historic Patents 1790 -1836 Historic Patents 1836 - 1975

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RELATED INFORMATION:
Book Resources on the subject of Patents.  from The Great Idea Finder
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Patent Information including history and purpose. 
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Prolific Inventors based upon the number of Patents issued   from The Great Idea Finder
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Web Resources dedicated to Patents.  from The Great Idea Finder
 

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