Home| FAQSearch:Advanced|Person|Company| Type|ClassLogin
Quick search:
Patent number:
Patent Date:
Patents for Frank Armstrong
Patents 1 - 15 of 18
First set of recordsNext set of recordsLast set of records
NumberDatePatenteeTitleType
212,413Feb. 18, 1879J.H. VintonLathe-Chuckmetal lathe chucks
221,633Nov. 11, 1879J.H. VintonPipe-Wrenchwrench handle components
233,821Oct. 26, 1880J.H. VintonMachine for Cutting Screw Threadsmetal threading machines
263,001Aug. 22, 1882J.H. VintonMachine for Cutting Screw Threadsmetal threading machines
268,978Dec. 12, 1882F. ArmstrongTap Wrenchtap wrenches and die stocks
269,141Dec. 12, 1882N.W. VandegriftPipe Visepipe and chain vises
269,153Dec. 12, 1882F. ArmstrongThread Cutting Dietaps and dies
274,544Mar. 27, 1883F. ArmstrongWrenchpipe wrenches
274,545Mar. 27, 1883J.H. Hine, F. ArmstrongWrenchquick adjust wrenches
291,266Jan. 01, 1884N.W. Vandegrift, F. ArmstrongPipe Wrenchpipe wrenches
291,267Jan. 01, 1884N.W. Vandegrift, F. ArmstrongPipe Wrenchpipe wrenches
298,043May 06, 1884N.W. VandegriftWrenchpipe wrenches
330,175Nov. 10, 1885N.W. Vandegrift, F. ArmstrongPipe-cutterplumber
335,009Jan. 26, 1886G.A. BarnesChuckmetal lathe chucks
335,986Feb. 09, 1886N.W. Vandegrift, F. ArmstrongWrenchquick adjust wrenches
Toggle print mode
Show pictures

Copyright © 2002-2024 - DATAMP