Predicate: patent
Roleset id: patent.01 , to obtain a patent for, vncls:
Roles:
Arg0: agent
Arg1: invention
Example: autogen1
a Soviet steel-casting patent
Arg0 : Soviet
Arg1 : steel-casting
Rel : patent
Example: autogen2
a patent on an oil drilling bit seal
Rel : patent
Arg1 : on an oil drilling bit seal