AC

Armin Harold Christofferson

IBM: 5 patents #18,733 of 70,183Top 30%
📍 Rochester, MN: #937 of 3,042 inventorsTop 35%
🗺 Minnesota: #13,602 of 52,454 inventorsTop 30%
Overall (All Time): #1,026,912 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7487291 Methods for restricted update sharing of removable media in a media library James L. Tilbury 2009-02-03
6981112 Dynamic cache disable Leon E. Gregg, James L. Tilbury 2005-12-27
6961812 Universal disk format volumes with variable size Thomas Bjork, Leon E. Gregg, James L. Tilbury 2005-11-01
6915302 Method, system, and program for accessing files in a file system Leon E. Gregg, James L. Tilbury, James Michael Van Oosbree 2005-07-05
6779129 Method, article of manufacture and apparatus for copying information to a storage medium Leon E. Gregg, Thomas Bjork, James L. Tilbury, James Michael Van Oosbree 2004-08-17