{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "2021", "item": "https://www.patentleaderboard.com/2021/"}, {"@type": "ListItem", "position": 3, "name": "Unknown", "item": "https://www.patentleaderboard.com/2021/company/unknown"}, {"@type": "ListItem", "position": 4, "name": "Charles Peter Darby", "item": "https://www.patentleaderboard.com/2021/inventor/fl:ch_ln:darby-1"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
CD

Charles Peter Darby — 1 Patent in 2021

UNUnknown: 1 patents #344 of 3,329Top 15%
Minden, NV: #10 of 24 inventorsTop 45%
Nevada: #362 of 1,087 inventorsTop 35%
Overall (2021): #503,065 of 548,734Top 95%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11076868 Vacuum drill guide Thomas W. Omohundro 2021-08-03