C 21.31/3:2008/2
Patents Class, Current Classifications of US Patents, Issued 1790 to Present, April 2008, (DVD-ROM)
0154-H-02
20080023E
C 21.5/6:1330/4
Official Gazette of the United States Patent and Trademark Office, Patents, Vol. 1330, No. 4, May 27, 2008, (CD-ROM)
0260-A-01
C 21.5/6:1331/2
Official Gazette of the United States Patent and Trademark Office, Patents, Vol. 1331, No. 2, June 10, 2008, (CD-ROM)
C 21.5/6:1331/3
Official Gazette of the United States Patent and Trademark Office, Patents, Vol. 1331, No. 3, June 17, 2008, (CD-ROM)
C 21.31:USP 2008 W 22
USAPAT, Facsimile Images of United States Patents, Issued 1790 to Present, Volume USP 2008 W22, (DVD-ROM)
0260-E
C 21.31/11:USM-226
USAMARK, Facsimile Images of United States Trademark Registrations, USM-226, (DVD-ROM)
0260-E-01
EP 1.104:C 68/CD/2008
A Collection of Solid Waste Resources, 2008 Edition, April 2008, (CD-ROM)
0431-R