Research/Patents/US 4398089
US 4398089

PENETRATION SENSING SYSTEM WITH RADIATION-EMITTING MATERIAL

Assignee

Filed

Jan 4, 1972

Granted

Aug 9, 1983

Location

MORRIS PLAINS NJ US

Abstract

A system for protecting sealed or closed packaging means from tampering ornauthorized opening. A source of radiation cannot affect radiation sensors until the packaging means has been penetrated or tampered with. Then the radiation sensors set off a visual alarm, an audible alarm, or otherwise indicate that there has been an unauthorized penetration.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Dec 18, 1981

Rescinded

Jan 6, 1983

Duration

1 year

Inventor

  • 1JAMES L. SHARPE
Back to patent indexSource: USPTO 35 USC §181 secrecy order records