MB

Mark A. Betker

KO Koala: 4 patents #2 of 12Top 20%
WI Windsor Industries: 2 patents #9 of 32Top 30%
Overall (All Time): #883,959 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6269503 Diaper changing station with prerecorded voice instructions 2001-08-07
5987677 Counter-top mounted infant changing station 1999-11-23
5927805 Stackable children's high-chair Jeff H. Hilger 1999-07-27
5906015 Wall-mounted infant changing station Jeff H. Hilger 1999-05-25
5455979 Apparatus for monitoring cleaning element wear Frederick M. Bores, Robert J. O'Hara 1995-10-10
5279672 Automatic controlled cleaning machine Frederick M. Bores, Edward T. Biegel, Thomas Francis 1994-01-18