Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
WB

Walter E. Broom

IHIo-Mega Holding: 2 patents #118 of 308Top 40%
IBM: 2 patents #32,839 of 70,183Top 50%
Boulder, CO: #1,540 of 5,018 inventorsTop 35%
Colorado: #10,703 of 40,980 inventorsTop 30%
Overall (All Time): #1,277,586 of 4,157,543Top 35%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6324033 Head retract assembly for disk drive Mark A. Swenson, Lee Schultz 2001-11-27
6292327 Commonly actuated head retract assembly and cartridge transport assembly for disk drive Mark A. Swenson, Lee Schultz 2001-09-18
4669076 Optical disk drive apparatus with means for accurate disk positioning Michael David Henry, William Schaffer 1987-05-26
4403227 Method and apparatus for minimizing evaporation in an ink recirculation system John R. Bertschy 1983-09-06