Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Record carrier in disk form having cover layers

Record carrier in disk form having cover layers

US Patent 4188433 · Granted Feb 12, 1980

Estimated economic value: $230,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Electrochemical cell comprising a hydride-forming intermetallic compound1995
Optically readable information disc1987
Optically readable information disc and method of manufacturing same1984
Method of manufacturing a die for duplicating plastics information carriers1984
Method of manufacturing a die for duplicating plastics information carriers1984
Method of manufacturing a die for duplicating plastics information carriers1984
Method of producing mouldings and layers of inorganic materials1983
Method of manufacturing an optically readable information carrier using deep U.V1983
Method of duplicating plastics information carriers1981
Method of duplicating plastics information carriers1981
Method of duplicating plastics information carriers1981
Optically readable information disc1981