PUCPR Search for 'an:148190'

USAPAT facsimile images of United States patents issued 1790 to present.

Washington, DC US Patent & Trademark Office, Office of Electronic Information Products .
computer laser optical discs , Description based on: US-1994-25A; title from title screen. 4 3/4 in. .

USAPAT facsimile images of United States patents issued 1790 to present

Washington, DC U.S. Patent & Trademark Office, Office for Patent & Trademark Information 2000 .
computer optical discs , "A Casis disc", -2000 W; "A Cassis disc", <2000 W25-> | Title from disc label 4 3/4 in..