CREATE TABLE class (
Patent VARCHAR(8),
Prim INTEGER,
Class VARCHAR(3),
SubClass VARCHAR(3));
CREATE UNIQUE INDEX uqClass ON class (Patent, Class, SubClass);
Inventor
CREATE TABLE inventor (
Patent VARCHAR(8),
Firstname VARCHAR(15),
Lastname VARCHAR(15),
Street VARCHAR(15),
City VARCHAR(10),
State VARCHAR(2),
Country VARCHAR(12),
Zipcode VARCHAR(5),
Nationality VARCHAR(2),
InvSeq INTEGER);
CREATE UNIQUE INDEX uqInv ON inventor (Patent, InvSeq);
Patent Disambiguation Schemas
Assignee
Citation
Class
Inventor
Lawyer
Patdesc
Patent
Sciref
USRelDoc