DB

Darrell E. Bratvold

IBM: 6 patents #16,453 of 70,183Top 25%
Overall (All Time): #884,080 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
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
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
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
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
4945435 Noninfluencing fastener for disk drives Jeffrey F. Boigenzahn, James M. Rigotti, Lyle R. Tufty 1990-07-31
4724499 Disk drive enclosure with an inclined parting surface Richard W. Luoma 1988-02-09