DS

Douglas Scheerhorn

ST Steelcase: 5 patents #191 of 809Top 25%
SD Steelcase Development: 3 patents #140 of 472Top 30%
📍 Grand Rapids, MI: #217 of 1,824 inventorsTop 15%
🗺 Michigan: #11,873 of 86,293 inventorsTop 15%
Overall (All Time): #663,748 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
6546684 Partition panel Michael L. Waalkes, Marcus K. Pressnell, Mark T. Slager, Michael R. Shields, Brian J. Kane +6 more 2003-04-15
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
5056876 Drawer lock and interlock mechanism 1991-10-15
4960309 Drawer lock and interlock mechanism 1990-10-02
4471638 Front removable lock 1984-09-18
4457569 Lock arrangement for office furniture units 1984-07-03
4445729 Over-centered lock arrangement for office furniture units 1984-05-01