DP

David M. Purdham

UN Unisys: 9 patents #110 of 2,015Top 6%
Disney: 5 patents #1,380 of 6,686Top 25%
Overall (All Time): #353,648 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
8181100 Memory fault injection Larry L. Byers, Thomas F. Koehmstedt 2012-05-15
7870320 Interrupt controller for prioritizing interrupt requests in an embedded disk controller Larry L. Byers, Andrew Artz 2011-01-11
7870346 Servo controller interface module for embedded disk controllers Larry L. Byers, Michael R. Spaur 2011-01-11
7457903 Interrupt controller for processing fast and regular interrupts Larry L. Byers, Andrew Artz 2008-11-25
7080188 Method and system for embedded disk controllers Larry L. Byers, Paul B. Ricci, Joseph G. Kriscunas, Joseba M. Desubijana, Gary R. Robeck +1 more 2006-07-18
5970253 Priority logic for selecting and stacking data 1999-10-19
5822766 Main memory interface for high speed data transfer Mitchell A. Bauman 1998-10-13
5701313 Method and apparatus for removing soft errors from a memory 1997-12-23
5666371 Method and apparatus for detecting errors in a system that employs multi-bit wide memory elements 1997-09-09
5450426 Continuous error detection using duplicate core memory cells David C. Johnson 1995-09-12
5434871 Continuous embedded parity checking for error detection in memory structures David C. Johnson 1995-07-18
4953131 Unconditional clock and automatic refresh logic James H. Scheuneman, Larry L. Byers, Terence Sych, Kwisook Tsang 1990-08-28
4926426 Error correction check during write cycles James H. Scheuneman, Michael E. Mayer 1990-05-15
4918696 Bank initiate error detection James H. Scheuneman 1990-04-17