{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Pumping apparatus for delivering liquid at high pressure", "item": "https://www.patentleaderboard.com/patent/4883409"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Pumping apparatus for delivering liquid at high pressure

US Patent 4883409 · Granted Nov 28, 1989

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →