Inventor
HANCOCK WILLIAM L
8 patents
⚠️ This page may combine multiple inventors who share the name “HANCOCK WILLIAM L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOOVER UNIVERSAL
6 patentsUS4251892AFeb 24, 1981
Box spring assembly with arcuate bendable springs
HOOVER UNIVERSAL28 citations80
US4452438AJun 5, 1984
Box spring assembly with improved corner springs
HOOVER UNIVERSAL16 citations79
US4253208AMar 3, 1981
Box spring assembly with basic wire grid
HOOVER UNIVERSAL11 citations73
US4475724AOct 9, 1984
Wire spring assembly for sofa sleeper mattresses
HOOVER UNIVERSAL12 citations72
US4285488AAug 25, 1981
Height adjusting mechanism for a swivel chair
HOOVER UNIVERSAL11 citations72
US4186223AJan 29, 1980
Process for coating a wire spring and evaluating previous heat treat of said wire spring
HOOVER UNIVERSAL8 citations72