Chad R. Sandstrom — 15 Patents at Imation

Chad R. Sandstrom has been granted 15 US patents while listed as an inventor at Imation. The first was granted in 1999 and the most recent in October 2006. Chad R. Sandstrom ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list Chad R. Sandstrom in Stillwater, MN, US.

Patents per Year

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7114947	Optical disk mold tooling for reduced edge wedge	Douglas R. Plourde, Dean E. Sitz, Donald J. Kerfeld, John R. Johnson	2006-10-03	$4,329,000
7034971	Fabrication of sandwiched construction media	Jathan D. Edwards, Frank E. Aspen, Ramon F. Hegel	2006-04-25	$4,070,000
6961950	Variable thickness stamper for creation of flat molded substrates	Donald J. Kerfeld, Douglas J. Chaput, Jathan D. Edwards	2005-11-01	$3,575,000
6850345	Sandwich holographic disk construction with thin molded substrates	Jathan D. Edwards, Frank E. Aspen, Ramon F. Hegel	2005-02-01	$8,557,000
6752611	Optical disk mold tooling for reduced edge wedge	Douglas R. Plourde, Dean E. Sitz, Donald J. Kerfeld, John R. Johnson	2004-06-22	$2,493,000
6678238	Mold for manufacturing double-sided disk shaped articles for storing data	Douglas R. Plourde, Dean E. Sitz, Jeffrey M. Novotny	2004-01-13	$2,284,000
6638692	Replicated regions on optical disks	Anthony O. Banal, Ted L. Bahns, Kristi L. Chavez, Donald J. Kerfeld	2003-10-28	$6,782,000
6611365	Thermoplastic substrates for holographic data storage media	Jathan D. Edwards, Frank E. Aspen, Ramon F. Hegel	2003-08-26	$9,899,000
6382955	Disc molding apparatus for hubless optical disc having low radial runout	—	2002-05-07	$8,432,000
6238763	Rewritable optical data storage disk having enhanced flatness	—	2001-05-29	$5,122,000
6180201	Rewritable optical data storage disk having enhanced flatness	—	2001-01-30	$5,376,000
6154441	Method for centering a hub in an optical disc, and an optical storage system using such disc	Brian Bonn	2000-11-28	$7,925,000
6147962	Data storage cartridge having a restraining mechanism	Thiruppathy Srinivasan, Douglas R. Plourde, Brian Bonn	2000-11-14
6002663	Hubless optical disc having low radial runout and method of manufacture	—	1999-12-14	$3,137,000
5972461	Rewritable optical data storage disk having enhanced flatness	—	1999-10-26	$2,870,000

Chad R. Sandstrom — 15 Patents

Patents per Year

Issued Patents All Time

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