Patents by Inventor Jan Willem Visser

Jan Willem Visser has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20090084700
    Abstract: A method of and apparatus for securing valuable articles wherein the articles are provided within a tamper evident primary container (10) or envelope, the primary container is contained within a secondary container (60) or box, and dispensing means (12) is provided in the secondary container (60) selectively to dispense a staining medium. The invention provides that the primary container (10) is partitioned into first (30) and second (32) portions that communicate with each other through at least one path (34.1); the articles to be secured are inserted into the first portion (30) which is then sealed (26); and the dispensing means (12, 42) is arranged to dispense the staining medium into the second portion (32) when activated. A plurality of spaced flow paths (34.2) may be formed between the first (30) and second (32) portions, the paths being arranged to prevent access to the first portion through the second portion.
    Type: Application
    Filed: February 9, 2005
    Publication date: April 2, 2009
    Inventors: Jan Willem Visser, Robert John Bristow, Trevor Collis Wilson
  • Patent number: 7475805
    Abstract: A tamper evident primary container (20) for storing and/or transporting valuables, particularly currency and other documents comprises an envelope (14) with tamper evident features and a partition for dividing the envelope into first (30) and second portions (32) that communicate with each other through at least one path. A first opening (22) in the envelope is provided through which articles can be inserted into the first portion and a seal for sealing the first opening is provided. A second opening (36) opens into the second portion through which a staining medium can be introduced into the second portion when desired. The path is constructed and arranged so as at least to inhibit access to the first portion through the second portion and to indicate tampering if access is breached. The partition is intermittent to form a plurality of paths that can permit a staining medium to be dispensed into the first portion through the second portion.
    Type: Grant
    Filed: February 9, 2005
    Date of Patent: January 13, 2009
    Inventor: Jan Willem Visser