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USPTO Patent Rankings Data through Dec 31, 2025
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Glen R. Mitchell — 8 Patents

IBM: 7 patents #14,688 of 70,183Top 25%
Pine Island, MN: #24 of 75 inventorsTop 35%
Minnesota: #9,348 of 52,454 inventorsTop 20%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Glen R. Mitchell has been granted 8 US patents while listed as an inventor at IBM. The first was granted in 1980 and the most recent in October 1990. Glen R. Mitchell ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Glen R. Mitchell in Pine Island, MN, US.

Patents per Year

Patents granted per year, 1980 to 1990Bar chart with a peak of 4 patents in 1980.peak 41980: 4 patents19801981: 2 patents19811987: 1 patents19871990: 1 patents1990

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4965720 Directed address generation for virtual-address data processors Richard G. Mustain, Jon Peterson, Lawrence D. Whitley 1990-10-23 $12,086,000
4709328 Composite data-processing system using multiple standalone processing systems Bruce O. Anthony, Jr., Glenn Darrell Batalden, Phillip C. Schloss, David K. Wells 1987-11-24 $40,638,000
4277826 Synchronizing mechanism for page replacement control Robert W. Collins, Roy L. Hoffman, Larry Wayne Loen, Frank G. Soltis 1981-07-07
4251860 Virtual addressing apparatus employing separate data paths for segment and offset portions of a virtual address and utilizing only the offset portion to calculate virtual address Frank G. Soltis, Roy L. Hoffman 1981-02-17 $13,168,000
4241396 Tagged pointer handling apparatus William G. Kempke, Eugene R. Jones, Merle E. Houdek, James G. Ranweiler 1980-12-23 $32,446,000
4236205 Access-time reduction control circuit and process for digital storage devices Douglas M. Kindseth 1980-11-25 $33,402,000
4218743 Address translation apparatus Roy L. Hoffman, Frank G. Soltis 1980-08-19 $18,921,000
4215402 Hash index table hash generator apparatus Merle E. Houdek 1980-07-29 $41,000,000