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The Graphic Laminating Inc. patent solves the following problem:
The use of small plastic identification cards become more common. Bank or department store credit cards are often used instead of cash or checks to make retail purchases and bank cards used to make various banking transactions in automatic tellers. driver's license, identification cards, employee identification, industrial process control, and member cards other uses for these plastic cards.
Our analysis of this patent is as follows:
Graphic Laminating Inc.’s patent US 4589687 A deals with Identification card method and apparatus.
A tamper proof identification card. The express card made from a core role in salvation sandwiched between two upper and lower layers of polyester coated with polyethylene. The security role boundaries in his periphery a polyester border similar to the upper and lower layers. The layered card heat and pressure treated to encapsulate the paper. Should the seal that is not enough, any attempt to change the information marked on security paper that is readily apparent.
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