Darrell E. Bratvold — 6 Patents at IBM

Darrell E. Bratvold has been granted 6 US patents while listed as an inventor at IBM. The first was granted in 1988 and the most recent in September 2001. Darrell E. Bratvold ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Darrell E. Bratvold in Rochester, MN, US.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6285524	Structure and enclosure assembly for a disk drive	Jeffrey F. Boigenzahn, Dale C. Goeke, Michael S. Good, Dale E. Goodman, Richard E. Lagergren +4 more	2001-09-04	$27,475,000
5872678	Enclosure assembly for a disk with a locational and retention cast docket structure for a connector and flexible cable connected to an electronics card	Jeffrey F. Boigenzahn, Dale C. Goeke, Michael S. Good, Dale E. Goodman, Richard E. Lagergren +4 more	1999-02-16	$10,802,000
5872679	Structure and enclosure assembly for a disk drive	Jeffrey F. Boigenzahn, Richard E. Lagergren, Gregory Lyons, Brian L. Rappel, James M. Rigotti +1 more	1999-02-16	$10,802,000
5539595	Structure and enclosure assembly for a disk drive	John L. Beck, Jeffrey F. Boigenzahn, Charles A. Brown, Luke A. Cossette, Dale C. Goeke +9 more	1996-07-23	$7,499,000
4945435	Noninfluencing fastener for disk drives	Jeffrey F. Boigenzahn, James M. Rigotti, Lyle R. Tufty	1990-07-31	$17,895,000
4724499	Disk drive enclosure with an inclined parting surface	Richard W. Luoma	1988-02-09	$49,625,000

Darrell E. Bratvold — 6 Patents

Issued Patents All Time

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