Inventor
LIEBERMAN JOSHUA S
US5 patents
⚠️ This page may combine multiple inventors who share the name “LIEBERMAN JOSHUA S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PLAYTEX PRODUCTS INC
4 patentsUS6915961B2Jul 12, 2005
Spill proof straw
PLAYTEX PRODUCTS INC52 citations94
US7163113B2Jan 16, 2007
Vent disc with center knob
PLAYTEX PRODUCTS INC22 citations91
US7762423B2Jul 27, 2010
Flow control element for use with leak-proof cup assemblies
PLAYTEX PRODUCTS INC9 citations81
US7748643B2Jul 6, 2010
Spill proof straw
PLAYTEX PRODUCTS INC6 citations72