Inventor
SERAFINI ANGELO
US4 patents
Patents
4 patentsUS4771995ASep 20, 1988
Collapsible box spring
LEGGETT & PLATT59 citations94
US4862532ASep 5, 1989
Bedding foundation having snap-in place sinuous wire springs
LEGGETT & PLATT14 citations72
US4682394AJul 28, 1987
Bedding and seating product having double twist coil spring and method and apparatus for manufacturing the same
LEGGETT & PLATT10 citations72
US4639957AFeb 3, 1987
Bedding and seating product having double twist coil spring and method and apparatus for manufacturing the same
LEGGETT & PLATT15 citations72