Sequential seal

Details Sequential seal Sequential seal

1990-01-19

1991-04-09

Hix, L. T.

Registers

Operating devices

Plural registers

G06M 108, G06M 1276

Patent

active

050066978

ABSTRACT:
A sequential seal for use with a roll-up door positioned in a truck or van body and which indicates the number of times that the door has been moved from its closed position towards its open position. A sequential counter is mounted in the door and is actuated each time the door is moved from its closed position towards its open position.

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Official Gazette 8/4/87, p. 57, Eberhard Advertising Literature.
Security Transport, Inc., Advertising Brochure Encrypta Electronics, Ltd., Advertising Literature.

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