DP

Douglas R. Plourde

IM Imation: 7 patents #37 of 622Top 6%
Overall (All Time): #583,231 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7597607 Magnetic recording tape edge processing William Qualls, Kerry D. Reimer, Siu-Yue Tam 2009-10-06
7114947 Optical disk mold tooling for reduced edge wedge Chad R. Sandstrom, Dean E. Sitz, Donald J. Kerfeld, John R. Johnson 2006-10-03
6811472 Inline lapping of magnetic tape Nang T. Tran, Arne B. Boberg, William Qualls, Edward L. Schneider 2004-11-02
6752611 Optical disk mold tooling for reduced edge wedge Chad R. Sandstrom, Dean E. Sitz, Donald J. Kerfeld, John R. Johnson 2004-06-22
6678238 Mold for manufacturing double-sided disk shaped articles for storing data Dean E. Sitz, Jeffrey M. Novotny, Chad R. Sandstrom 2004-01-13
6644581 Flange guide for improved tape winding Helen J. Yoo, William Qualls 2003-11-11
6490242 Disk cartridge with dual housing structure Brian Bonn, Warren L. Dalziel, Michael A. Maiers, Scot C. Fairchild, Wayne M. Hector +3 more 2002-12-03
6147962 Data storage cartridge having a restraining mechanism Thiruppathy Srinivasan, Chad R. Sandstrom, Brian Bonn 2000-11-14
6139307 Assembly for molding optical data storage disks formatted on both sides Dean E. Sitz, Val M. Schmitz 2000-10-31