1940 U.S. Patents:
Hardware
Last Update: 07/01/01 11:55:17 PM
 |
122,844 Design for an Electric Control Panel Board Unit Elwood T. Piatz Detroit, Michigan |
|
2,212,262 Tumbler Lock John C. Busehe Highland Park, Michigan |
|
2,212,303 Valve Joseph Ruskamp Dodge, Nebraska |
|
2,213,630 Socketed Cap Screw and Method of Producing Same Harald F. Gade Standard Pressed Steel Co. Jenkintown, Pennsylvania |
|
2,213,814 Lock Edward N. Jacobi Briggs & Stratton Corp. Milwaukee, Wisconsin |
|
2,226,491 Self-Locking Screw, Bolt, Nut, or the Like Carl W. Gustafson Continental Screw Company New Bedford, Massachusetts |
|
2,226,935 Method of Manufacturing Lock Nuts Richard Waterman Luce Westfield, New Jersey |
Home I 1940 Patents l 1941 Patents l Patent Sets I How To Books l Patent Office Forms l Request A Patent
Copyright © 2001 Antique Patent Gallery.
Site Created by Otter Lake Trading Co.