Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Inner ribbed tube of hard metal and method

Inner ribbed tube of hard metal and method

US Patent 5690167 · Granted Nov 25, 1997

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Electrical connector plug for ignition devices2003
Shorting contact support for igniter receptacles2002
Method of manufacturing an evaporator tube1999
Evaporator tube1997
Process for the production of tantalum-niobium concentrates1996
Dental prosthesis1989
Dulling agent on the basis of wax for varnishes, and process for the manufacture1982
Process for protecting metal or lacquered surfaces1982