JC

Joseph Chang

SD Steelcase Development: 8 patents #55 of 472Top 15%
ST Steelcase: 4 patents #225 of 809Top 30%
ME Mga Entertainment: 1 patents #27 of 58Top 50%
Overall (All Time): #348,350 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9861901 Easily transportable inflation and deflation assembly for a bounce house Andrew Pierzynski, Jeffrey Paris, Glenn Yu 2018-01-09
8708363 Folding walker 2014-04-29
7565772 Knock-down portable partition system Michael L. Waalkes, Marcus K. Pressnell, Mark T. Slager, Michael R. Shields, Brian J. Kane +5 more 2009-07-28
7448168 Knock-down portable partition system Michael L. Waalkes, Marcus K. Pressnell, Mark T. Slager, Michael R. Shields, Brian J. Kane +5 more 2008-11-11
6910306 Knock-down portable partition system Michael L. Waalkes, Marcus K. Pressnell, Mark T. Slager, Michael R. Shields, Brian J. Kane +5 more 2005-06-28
6546684 Partition panel Michael L. Waalkes, Marcus K. Pressnell, Mark T. Slager, Michael R. Shields, Brian J. Kane +6 more 2003-04-15
6442909 Knock-down portable partition system Michael L. Waalkes, Marcus K. Pressnell, Mark T. Slager, Michael R. Shields, Brian J. Kane +4 more 2002-09-03
6330773 Stacking bracket for partitions Douglas B. MacDonald, Jonathan J. King, Steven E. Sanders, Alan E. Rheault, James Dykstra +4 more 2001-12-18
6301846 Knock-down portable partition system Michael L. Waalkes, Marcus K. Pressnell, Mark T. Slager, Michael R. Shields, Brian J. Kane +4 more 2001-10-16
6276103 Cover panel brace for partition systems Michael L. Waalkes, Marcus K. Pressnell, Mark T. Slager, Michael R. Shields, Brian J. Kane +10 more 2001-08-21
6098358 Knock-down portable partition system Michael L. Waalkes, Marcus K. Pressnell, Mark T. Slager, Michael R. Shields, Brian J. Kane +10 more 2000-08-08
6079173 Knock-down portable partition system Michael L. Waalkes, Marcus K. Pressnell, Mark T. Slager, Michael R. Shields, Brian J. Kane +4 more 2000-06-27
5943833 In-floor utility outlet Thomas G. Feldpausch, Carl V. Forslund, III 1999-08-31
5899035 Knock-down portable partition system Michael L. Waalkes, Mark T. Slager, Brian J. Kane, Marcus K. Pressnell, Michael R. Shields +4 more 1999-05-04