TY  - BOOK
ED  - United States.
TI  - Index of trade marks issued from the United States Patent Office
U1  -  016.608773 
PY  - 1969///
CY  - Washington, D.C.
PB  - The Office
KW  - Patents
KW  - United States
KW  - Indexes
KW  - Trademarks
ER  -