Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Folding firedoor lead post assembly

Folding firedoor lead post assembly

US Patent 4924929 · Granted May 15, 1990

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Single-slot tubular cathode2024
Control system and movable folding partition2023
Ion source with single-slot tubular cathode2023
Control systems for folding partitions and related methods2023
System for detecting liquid analytes2022
GeH4/Ar plasma chemistry for ion implant productivity enhancement2022
Network connection planning using crowd-sourced data2021
Ion source with single-slot tubular cathode2021
Satellite data transmission clustering with dynamic clusters2021
System, method, and apparatus for high speed operation2021
Route planning using crowd-sourced network data2021
GeH4/Ar plasma chemistry for ion implant productivity enhancement2021