Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Charles Drotar — 1 Patent

ATAT&T: 1 patents #10,636 of 18,772Top 60%
Krum, TX: #7 of 25 inventorsTop 30%
Texas: #74,151 of 125,132 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Charles Drotar has been granted 1 US patent while listed as an inventor at AT&T. All of these patents were granted in 2018. Charles Drotar ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Charles Drotar in Krum, TX, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10144434 Method and apparatus for identifying a cause for a fuel inefficiency of a vehicle via a network Taylor Smith, Abhay Dabholkar 2018-12-04 $44,385,000