Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Charles E. Samson — 1 Patent

RARayovac: 1 patents #78 of 170Top 50%
Walpole, MA: #125 of 213 inventorsTop 60%
Massachusetts: #57,159 of 88,656 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Charles E. Samson has been granted 1 US patent while listed as an inventor at Rayovac. All of these patents were granted in 1989. Charles E. Samson ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Charles E. Samson in Walpole, MA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4855647 Flashlight with soft turn on control David R. Schaller, El-Sayed Megahed 1989-08-08