Patents by Inventor Irene Kalmar

Irene Kalmar 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: 4308862
    Abstract: A support or cast for immobilising broken limbs is disclosed. The cast is formed from an inner air permeable layer, for example lint, and an outer rigid casing. Tubes with spaced apertures opening onto the inner layer are located between the inner and outer layers. Preferably air is pumped into the tubes to pass into the inner layer and thence out of the support. Such ventilation prevents discomfort and itching.
    Type: Grant
    Filed: February 6, 1980
    Date of Patent: January 5, 1982
    Inventor: Irene Kalmar
  • Patent number: 4202094
    Abstract: A grass cutting attachment for an electrically powered handyman's drill is disclosed. A length of flexible filament extends radially from a body rotatable by the drill. The rotating filament end is able to cut both edges of lawn and expanses of lawn. A handle attachment which prevents stooping and bending by an operator is also disclosed.
    Type: Grant
    Filed: June 28, 1978
    Date of Patent: May 13, 1980
    Inventor: Irene Kalmar