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USPTO Patent Rankings Data through Dec 31, 2025
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Donald E. Phillips — 11 Patents

RARockwell Automation: 6 patents #684 of 4,211Top 20%
PSPeerless Systems: 4 patents #2 of 19Top 15%
Cedar Rapids, IA: #146 of 1,358 inventorsTop 15%
Iowa: #1,361 of 15,303 inventorsTop 9%
Overall (All Time): #435,149 of 4,157,543Top 15%
11 Patents All Time
Donald E. Phillips has been granted 11 US patents. The first was granted in 1983 and the most recent in May 1998. Donald E. Phillips ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Donald E. Phillips in Cedar Rapids, IA, US.

Patents per Year

Patents granted per year, 1983 to 1998Bar chart with a peak of 2 patents in 1995.peak 21983: 1 patents19831985: 1 patents19851989: 1 patents19891990: 1 patents19901994: 1 patents19941995: 2 patents19951996: 2 patents19961998: 2 patents1998

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5754750 Method and apparatus for displaying a page with graphics information on a continuous synchronous raster output device Stephen R. Butterfield, Barbara B. Renshaw, Steven K. Nelson, Robert F. Hossley 1998-05-19 $3,130,000
5748986 Method and apparatus for displaying a page with graphics information on a continuous synchronous raster output device Stephen R. Butterfield, Barbara B. Renshaw, Steven K. Nelson, Robert F. Hossley 1998-05-05 $3,057,000
5509115 Method and apparatus for displaying a page with graphics information on a continuous synchronous raster output device Stephen R. Butterfield, Barbara B. Renshaw, Steven K. Nelson, Robert F. Hossley 1996-04-16
5502804 Method and apparatus for displaying a page with graphics information on a continuous synchronous raster output device Stephen R. Butterfield, Barbara B. Renshaw, Steven K. Nelson, Robert F. Hossley 1996-03-26
5424688 Frequency synthesizer apparatus incorporating phase modulation tracking means 1995-06-13 $8,980,000
5424664 Direct digital synthesizer with adjustable clock frequency 1995-06-13 $8,980,000
5305702 Vessel opening repair apparatus 1994-04-26
4901026 Phase detector circuit having latched output characteristic Gregory A. Jobe 1990-02-13 $7,508,000
4801896 Circuit providing improved lock-in for a phase-locked loop Gregory A. Jobe 1989-01-31 $12,994,000
4500852 Wide range phase detector utilizing a plurality of stacked detector modules 1985-02-19 $3,287,000
4419633 Phase lock loop 1983-12-06 $8,607,000