Patents by Inventor Michael A. Putnam

Michael A. Putnam 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: 20240292846
    Abstract: Example dry insecticide mixtures, distributors that contain a dry insecticide mixture, and methods of distributing a dry insecticide in a structure, such as an animal confining structure, are described. Dry insecticide mixtures include sodium bisulfate and a dry insecticide. An example dry insecticide mixture includes a first layer comprising sodium bisulfate and diatomaceous earth and a second layer consisting essentially of diatomaceous earth. The weight ratio of diatomaceous earth to sodium bisulfate in the dry insecticide mixture is between about 1:10 and about 1:2.
    Type: Application
    Filed: March 1, 2024
    Publication date: September 5, 2024
    Applicant: Jones-Hamilton Co.
    Inventor: Michael A. Putnam
  • Patent number: 5697302
    Abstract: A relatively thick shelf covering for use with wire-frame shelves. The material is sufficiently thick to prevent objects from falling through or tilting into the spaces between the gratings of a wire-frame shelf. The material is also flexible enough to be sold in rolls. The material is also impervious to water and most common household chemicals.
    Type: Grant
    Filed: April 14, 1997
    Date of Patent: December 16, 1997
    Inventor: Michael A. Putnam