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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DG

Drew D. Granzow — 3 Patents

CCCompaq Computer: 3 patents #362 of 1,604Top 25%
Spring, TX: #756 of 2,039 inventorsTop 40%
Texas: #41,402 of 125,132 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Drew D. Granzow has been granted 3 US patents while listed as an inventor at Compaq Computer. The first was granted in 1989 and the most recent in December 1994. Drew D. Granzow ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Drew D. Granzow in Spring, TX, US.

Patents per Year

Patents granted per year, 1989 to 1994Bar chart with a peak of 1 patents in 1989.peak 11989: 1 patents19891992: 1 patents19921994: 1 patents1994

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5375076 Combined notepad and notebook computer D. Stephen Goodrich, Kevin Mundt, Neil L. Condra, Chris F. Felcman, Mark S. Tracy +2 more 1994-12-20 $20,970,000
5173837 Hinge with two-towed clutch spring for suppressing electromagnetic interference for laptop personal computers Sam D. Blackwell 1992-12-22 $22,259,000
D304439 Battery pack Thomas Mitchell 1989-11-07