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Krol; Andrzej
Lincoln Park, NJ
No. of patents:

Patent Number Title Of Patent Date Issued
D470169 Shaken idiophone February 11, 2003
7074996 Drum head assembly and method of tensioning a drum head July 11, 2006
There is provided a drum head assembly. The drum head assembly has an outer member and an inner member. The outer member has an L-shaped step on its inside surface with posts extending outward from the base of the step. The depth of the inside edge of the outer member determines the
6489546 Musical instrument and method of making same December 3, 2002
There is provided a musical instrument according to the present invention having body wall with a single welded seam on the underside opposite the striking or playing side. This construction method allows for a vibrating surface of continuing proportions producing a sound that is very
6362406 Shaken idiophone March 26, 2002
There is provided a shaken idiophone having at least two segments that define a sound chamber for holding a sound producing material. The segments are preferably located along the periphery of the shaken idiophone. The segments of the shaken idiophone are held together by at least on
6271449 Musical instrument August 7, 2001
There is provided a musical instrument having a tubular body and a handle. The tubular body has an annular wall that defines a sound chamber. The handle is designed to shelter the hand of the player or serve as a mounting for use with a mounting cradle. The thickness of the tubular wall

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