1985-12-30
1988-07-12
Witkowski, Stanley J.
Music
Instruments
84 128, 200308, 206314, 446397, 340321, 340328, 340384E, A45C 1100, G10H 100, G10H 500
Patent
active
047562226
ABSTRACT:
A knob for attachment to a removable lid of a container, the knob containing a selectively actuatable music module. The knob serves both a utilitarian function, as a means for removing a lid from a container, and an entertainment or advertising function, by playing a preprogrammed message. Either function may be utilized separately or in combination as the user selects.
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patent: 4628791 (1986-12-01), Phipps
patent: 4686504 (1987-08-01), German
patent: 4698621 (1987-10-01), Masot
Olive Can Company
Witkowski Stanley J.
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