Patents by Inventor Alfonse Spielvogel

Alfonse Spielvogel 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).

  • Gravity held ashtray apparatus
    Patent number: 4423743
    Abstract: A gravity held ashtray formed with an upwardly opening cup shaped tray and a downwardly projecting stem formed with a downwardly opening hexagonal socket for close fitting over the hex head included in the plumbing fixture leading to a stand-up urinal.
    Type: Grant
    Filed: June 29, 1981
    Date of Patent: January 3, 1984
    Inventor: Alfonse Spielvogel