Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Marc P. Roberts — 4 Patents

SRSrc: 4 patents #10 of 103Top 10%
Alexandria, VA: #372 of 1,823 inventorsTop 25%
Virginia: #7,565 of 34,511 inventorsTop 25%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Marc P. Roberts has been granted 4 US patents while listed as an inventor at Src. The first was granted in 2017 and the most recent in May 2018. Marc P. Roberts ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Marc P. Roberts in Alexandria, VA, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9977001 Method, device, and system for aerosol detection of chemical and biological threats Stephen R. Houghton 2018-05-22
9810606 Methods and devices for vapor sampling Stephen R. Houghton, Robert M. Cannon 2017-11-07
9664658 Method, device, and system for aerosol detection of chemical and biological threats Stephen R. Houghton 2017-05-30
9551649 Surface sampling method, device, and system for enhanced detection of chemical and biological agents Stephen R. Houghton, Nicole J. Surace Clayton, James McLean, Robert M. Cannon 2017-01-24