Meudon
France
7
2021-06-10
The entities that hold a legal rights for patent applications filed by inventor Leibenguth Joseph:
Joseph Leibenguth from Meudon, FR has applied for patents for these inventions. The list has both pending applications and granted patents:
Method for authenticating a secure document
#2 | 2020-08-13Method for the insertion of guilloche patterns, method for the extraction of guilloche patterns, method for the authentication of these guilloche patterns and devices for implementation
#3 | 2020-07-16Method for generating variable guilloche patterns, implementing device and identification document comprising such patterns
#4 | 2016-11-03Method and device for placing an insert in a cavity formed in a foil
#5 | 2013-01-03Process to secure a personal portable object
#6 | 2012-04-26Device with time limited use auto start application
#7 | 2007-11-22Process to secure a personal portable object
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