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KATZ DOV
3 patents
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US7494419B2
Feb 24, 2009
Indoor stair slide for transporting the handicapped between floors and/or for joyful rides
KATZ DOV
20 citations
89
US7355119B2
Apr 8, 2008
Choke-proof electrical cords
KATZ DOV
13 citations
81
US7469494B2
Dec 30, 2008
Reading assistant for Torah scrolls
KATZ DOV
6 citations
60