DJ

David L. Johnston

IBM: 3 patents #26,272 of 70,183Top 40%
PI Ply Gem Industries: 1 patents #19 of 41Top 50%
NASA: 1 patents #1,418 of 3,881Top 40%
Overall (All Time): #920,613 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D1095193 Siding guide installation verification tool Leland Harris, Bobbi Merrell, Rodolfo E. Valladares, Brian Kilgore, Jake Allen +2 more 2025-09-30
5553290 Software packaging structure having hierarchical replaceable units Nathaniel Calvert, James S. Effle, James Lee Naylor, Helen M. Olson-Williams, Robert H. Satin +2 more 1996-09-03
5287505 On-line problem management of remote data processing systems, using local problem determination procedures and a centralized database Nathaniel Calvert, John J. Eakins, Earl Emerick, John L. Koehler, Gerald P. Miller +4 more 1994-02-15
5265994 Mold bolt and means for achieving close tolerances between bolts and bolt holes Phillip G. Bryant 1993-11-30
5237688 Software packaging structure having hierarchical replaceable units Nathaniel Calvert, James S. Effle, James Lee Naylor, Helen M. Olson-Williams, Robert H. Satin +2 more 1993-08-17