Vainshtein, Leonid Trademarks
MRS. KNOW-LEAKS
Water leak detector
Owned by: Vainshtein, Leonid
Serial Number: 76698898
CABI-SHIELD
A protective cabinet mat which protects the bottom of kitchen and bathroom cabinets from water and chemical damage
Owned by: Vainshtein, Leonid
Serial Number: 77744326
