Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Spring box for door handle

Spring box for door handle

US Patent 8789864 · Granted Jul 29, 2014

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Particle beam inspection apparatus2025
Particle beam inspection apparatus2024
Entry/exit detection locking device2024
Particle beam inspection apparatus2022
Lock monitoring device2022
Magnetic anti-theft device2021
Electronic lock core device2021
Multiple-latch-locking lock structure2019
Anti-theft device for door locks2018
Lock structure suitable for various lock cores2017
Lock structure of dual protection2016
Anti-intrusion lock2015