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General Search — Use this search option to search for patent records using topic terms, assignee names, inventor names, and more. In one or more search fields, enter words or phrases connected by Boolean operators (AND, OR, NOT, SAME). Use wildcard operators to search for plurals and variant spellings.

Wildcard Operators:

Asterisk (*):

 Zero to many characters

Dollar Sign ($):

 Zero or one character

Question Mark (?):

 Any single character
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