JD

John Duffy

Microsoft: 78 patents #116 of 40,388Top 1%
ED Equipment Systems & Devices: 3 patents #3 of 4Top 75%
UM University Of Massachusetts: 1 patents #755 of 1,810Top 45%
📍 Renton, WA: #1 of 1,385 inventorsTop 1%
🗺 Washington: #403 of 76,902 inventorsTop 1%
Overall (All Time): #21,173 of 4,157,543Top 1%
83
Patents All Time

Issued Patents All Time

Showing 76–83 of 83 patents

Patent #TitleCo-InventorsDate
7650371 Finalizable object usage in software transactions David L. Detlefs, Michael M. Magruder 2010-01-19
7627594 Runtime support for nullable types Henricus Johannes Maria Meijer, Anders Hejlsberg, Dinesh Chandrakant Kulkarni, Vance Morrison, Christopher W. Brumme +4 more 2009-12-01
7434010 Combined pessimistic and optimisitic concurrency control Michael M. Magruder, Goetz Graefe, David L. Detlefs, Vinod Grover 2008-10-07
7097748 Electrolyzer pressure equalization system Daniel Shapiro 2006-08-29
5220988 Coin slide with magnetic slug attracting means Evan C. Wilfong, Harvey S. Gitlin 1993-06-22
4499983 Coin slide with coin drop delay means Harvey S. Gitlin 1985-02-19
4401202 Coin slide with interchangeable cores Harvey S. Gitlin 1983-08-30
4350240 Coin slide with interchangeable cores Harvey S. Gitlin 1982-09-21