{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Exercise machine with spring-cam arrangement for equalizing the force required through the exercise stroke", "item": "https://www.patentleaderboard.com/patent/4231568"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Exercise machine with spring-cam arrangement for equalizing the force required through the exercise stroke

US Patent 4231568 · Granted Nov 4, 1980

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →