Patents by Inventor Mark W. Schafer

Mark W. Schafer 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).

  • Percussion instrument carrier system
    Patent number: 8093479
    Abstract: A percussion instrument carrier system for carrying percussion instruments by members of a marching band. A preferred embodiment of the percussion instrument carrier system includes an interlock mechanism that provides for one of either mounting the percussion instrument onto the percussion instrument carrier or dismounting the percussion instrument from the percussion instrument carrier by only the manipulation of the percussion instrument in relation to the percussion instrument carrier as needed to respectively and operatively engage or disengage components of the interlock mounting system.
    Type: Grant
    Filed: August 6, 2010
    Date of Patent: January 10, 2012
    Inventors: Mark W. Schafer, Steven P. Crouch
  • Percussion instrument carrier system
    Publication number: 20110030530
    Abstract: A percussion instrument carrier system for carrying percussion instruments by members of a marching band. A preferred embodiment of the percussion instrument carrier system includes an interlock mechanism that provides for one of either mounting the percussion instrument onto the percussion instrument carrier or dismounting the percussion instrument from the percussion instrument carrier by only the manipulation of the percussion instrument in relation to the percussion instrument carrier as needed to respectively and operatively engage or disengage components of the interlock mounting system.
    Type: Application
    Filed: August 6, 2010
    Publication date: February 10, 2011
    Inventors: Mark W. Schafer, Steven P. Crouch
  • Snare drum mechanism
    Patent number: 6441287
    Abstract: A snare drum assembly is provided which enables the snare drum element to be positioned internally of a drum. In the preferred embodiment, the snare mechanism acts against the top drum head of a drum, and permits the drum manufacturer to eliminate the lower drum head and related structure, greatly simplifying drum construction and cost.
    Type: Grant
    Filed: May 13, 2000
    Date of Patent: August 27, 2002
    Assignee: Advanced Percussions
    Inventors: Steve P. Crouch, Mark W. Schafer, Roy A. Murray