{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Method of fitting ophthalmic lenses in spectacles frames", "item": "https://www.patentleaderboard.com/patent/4300317"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method of fitting ophthalmic lenses in spectacles frames

Method of fitting ophthalmic lenses in spectacles frames

US Patent 4300317 · Granted Nov 17, 1981

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Lock assembly2005
High security gun lock device1995
High security gun lock device1993
Compact latching device for seat assemblies1991
Adjustable latching device with memory feature for vehicle seat assemblies1991
Redundant seat locking mechanism1990
Inertial latching mechanism for seat assemblies1987
Incremental adjustment device for seat assemblies1987
Method of a single element complete air filtering structure for a respirator fil1983
Lens chucking apparatus1981
Convergence mechanism for binocular refracting instrument1981
Refractor cross-cylinder apparatus1980