Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Calvin W. Eastep — 2 Patents

Houston, TX: #8,651 of 21,073 inventorsTop 45%
Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,345,779 of 4,157,543Top 60%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4713525 Microcomputer controlled instant electric water heating and delivery system 1987-12-15
4410791 Electric instant water heater 1983-10-18