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name:-0.0070950984954834
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Keck; David W. Patent Filings

Keck; David W.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Keck; David W..The latest application filed is for "chemical vapor deposition system for polycrystalline silicon rod production".

Company Profile
0.7.3
  • Keck; David W. - Butte MT
  • Keck; David W. - Moses Lake WA
  • Keck; David W. - Michigan City IN
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Chemical vapor deposition system for polycrystalline silicon rod production
Grant 6,749,824 - Keck , et al. June 15, 2
2004-06-15
Method for inducing controlled cleavage of polycrystalline silicon rod
Grant 6,676,916 - Keck , et al. January 13, 2
2004-01-13
Chemical vapor deposition system for polycrystalline silicon rod production
App 20030127045 - Keck, David W. ;   et al.
2003-07-10
Method for inducing controlled cleavage of polycrystalline silicon rod
App 20030104202 - Keck, David W. ;   et al.
2003-06-05
Chemical vapor deposition system for polycrystalline silicon rod production
App 20020014197 - Keck, David W. ;   et al.
2002-02-07
Chemical vapor deposition system for polycrystalline silicon rod production
Grant 6,221,155 - Keck , et al. April 24, 2
2001-04-24
Production of high-purity polycrystalline silicon rod for semiconductor applications
Grant RE36,936 - Keck , et al. October 31, 2
2000-10-31
Production of high-purity polycrystalline silicon rod for semiconductor applications
Grant 5,545,387 - Keck , et al. August 13, 1
1996-08-13
Production of high-purity polycrystalline silicon rod for semiconductor applications
Grant 5,478,396 - Keck , et al. December 26, 1
1995-12-26
Hermetically sealed snap switch assembly with pre-use backfilling option
Grant 5,352,858 - Keck October 4, 1
1994-10-04
Company Registrations
SEC0001437637Keck David W

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