1
David J Haas, Sandra F Haas: Time indicator having discrete adhesive. Temtec, Weingram & Zall, August 29, 1995: US05446705 (118 worldwide citation)

A time indicator is provided that changes color or produces an image or information after a specific time interval. The time indicator includes a base substrate with colored dye deposited on a first surface; and a substrate having an adhesive on a first surface thereof, the adhesive positioned at di ...


2
Haas David J, Haas Sandra F: Time indicator having discrete adhesive. Temtec, May 14, 1997: EP0772802-A1

A time indicator is provided that changes color or produces an image or information after a specific time interval. The time indicator includes a base substrate (40) with colored dye (38) deposited on a first surface; and a substrate (30) having an adhesive (36) on a first surface (35) thereof, the ...


3
Haas David J, Haas Sandra F: Time indicator having discrete adhesive. Temtec, ZALL Michael E, February 15, 1996: WO/1996/004593

A time indicator is provided that changes color or produces an image or information after a specific time interval. The time indicator includes a base substrate (40) with colored dye (38) deposited on a first surface; and a substrate (30) having an adhesive (36) on a first surface (35) thereof, the ...