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David I. Epstein — 12 Patents

DGData General: 9 patents #19 of 327Top 6%
KRKendall Square Research: 2 patents #9 of 21Top 45%
Oracle: 1 patents #8,339 of 14,854Top 60%
Natick, MA: #102 of 819 inventorsTop 15%
Massachusetts: #10,639 of 88,656 inventorsTop 15%
Overall (All Time): #396,045 of 4,157,543Top 10%
12 Patents All Time
David I. Epstein has been granted 12 US patents while listed as an inventor at Data General. The first was granted in 1985 and the most recent in October 1998. David I. Epstein ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list David I. Epstein in Natick, MA, US.

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5822578 System for inserting instructions into processor instruction stream in order to perform interrupt processing Steven J. Frank, Henry Burkhardt, III, Frederick Daniel Weber, Linda Q. Lee, John A. Roskosz +2 more 1998-10-13 $17,322,000
5282201 Dynamic packet routing network Steven J. Frank, Henry Burkhardt, III, James B. Rothnie, Stephen Williams Morss, Dana R. Kelly +1 more 1994-01-25 $1,630,000
5226039 Packet routing switch Steven J. Frank, Henry Burkhardt, III, James B. Rothnie, Stephen Williams Morss, Dana R. Kelly +1 more 1993-07-06 $4,483,000
5016162 Contention revolution in a digital computer system Mark Hummel, Jeffrey F. Hatalsky, Rona J. Newmark, Rosemarie Alicandro, Peter Bixby +8 more 1991-05-14 $13,465,000
4771377 Microcode control apparatus Donald C. Wiser, Mark Hummel, Patrick J. Weiler, Thomas J. Myer 1988-09-13 $5,007,000
4742449 Microsequencer for a data processing system using a unique trap handling technique Kenneth D. Holberger 1988-05-03 $2,848,000
4679138 Microsequencer in a data processing system using stack storage for controlling the sequencing of microroutines Charles J. Holland 1987-07-07 $7,039,000
4604684 Digital computer having unique instruction decoding logic — 1986-08-05 $6,885,000
4597041 Method and apparatus for enhancing the operation of a data processing system James Guyer, David L. Keating, Walker Edward Anderson, James E. Veres, Harold R. Kimmens 1986-06-24 $6,951,000
4591972 Data processing system with unique microcode control James Guyer, David L. Keating 1986-05-27 $4,497,000
4569018 Digital data processing system having dual-purpose scratchpad and address translation memory Mark Hummel, James Guyer, David L. Keating, Steven Jeffrey Wallach 1986-02-04 $5,742,000
4554627 Data processing system having a unique micro-sequencing system Charles J. Holland, Kenneth D. Holberger, Paul Reilly, Josh Rosen 1985-11-19 $5,533,000

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