Patents by Inventor John J. Cenna, III

John J. Cenna, III 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: 4321874
    Abstract: A collapsible frame includes a plurality of legs adapted to engage a floor. The legs are connected by braces to rigidify the legs in an upstanding position. A plurality of arms are connected to the legs to form a plurality of vertically spaced support platforms. Each support platform is formed by a pair of the arms positioned in spaced parallel, horizontal relationship. The pairs of arms are located at selected elevations to provide upper and lower support platforms with at least one intermediate support platform between the upper and lower support platforms. The legs are suitably connected to facilitate assembly and disassembly of the music stand for storage and transportation. The support platforms are adapted to support musical instruments and related accessories, such as percussion instruments, for movement on the music stand to permit the instruments to be placed in selected positions and combinations for playing by the musician.
    Type: Grant
    Filed: January 28, 1980
    Date of Patent: March 30, 1982
    Inventor: John J. Cenna, III