Patents by Inventor David H. Holloway

David H. Holloway 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).

  • Patent number: 6681521
    Abstract: This invention provides a seed germination medium comprising an upper layer formed from a tissue paper having a weight of approximately 10-30 g/m2, the tissue paper being coated or impregnated with a waterproofing agent such that the tissue paper is permeable to gases but substantially impermeable to water in liquid form; a lower layer formed from a water-absorbent biodegradable material; seeds being disposed beneath the upper layer; and the upper layer optionally having a plurality of perforations therein to assist disruption of the upper layer to enable seedlings germinating from the seeds to grow therethrough.
    Type: Grant
    Filed: February 27, 2002
    Date of Patent: January 27, 2004
    Assignee: Terraseed Limited
    Inventor: David H. Holloway