PatentBrief

Inventor

Mark G. Arnold

Patents indexed

1

Year range

1985

Associated with

Years active

1985

Total patents

1

Most recent

1985

Frequent collaborator

Mark D. Winkel

Domains

consumer_electronicssemiconductorssoftware

Activity by decade

1980s
1

Patents

1

Career timeline

1 patents, in 1985

Dot size = forward citations

19851986

Hover or tap any dot to see the patent. Larger dots indicate more forward citations — a proxy for downstream influence.

US 4558176·1985·Individual

How Computers Use Hardware to Stop Software Piracy and Cracking

A 1982 hardware-based security system that prevents software from being copied or cracked by destroying sensitive data if the computer detects unauthorized access or execution.

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