Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Universal joint device for a toy

Universal joint device for a toy

US Patent 5531625 · Granted Jul 2, 1996

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Nano-zinc oxide-supported bacterial cellulose microfiber-alginate fiber composit2025
Bacterial cellulose-polyurethane composite material, preparation method therefor2025