Undated
Handle Lock
First recorded use: 09/01/1921; Filed: 04/05/1926; Issued: 11/02/1926
Used for wrenches
Other maker marks
12 marks.
Undated
First recorded use: 09/01/1921; Filed: 04/05/1926; Issued: 11/02/1926
Used for wrenches
Undated
First recorded use: 01/29/1924; Filed: 02/09/1924; Issued: 07/22/1924
Renewed July 22, 1944 by NBM
Undated
First recorded use: 01/29/1924; Filed: 10/30/1968; Issued: 12/23/1969
Originally filed by Sigmund Mandl
Undated
First recorded use: 01/01/1954; Filed: 02/09/1961; Issued: 12/18/1962
Used for socket wrenches
Undated
First recorded use: 01/01/1919; Filed: 07/02/1924; Issued: 02/17/1925
Mentions wrenches and socket sets
Undated
First recorded use: 09/12/1924; Filed: 11/17/1924; Issued: 07/14/1925
Used for automatic screw machines
Undated
First recorded use: 01/01/1895; Filed: 05/06/1954; Issued: 07/24/1956
Mentions 195,981 200,815 202796
Undated
First recorded use: 09/12/1924; Filed: 11/17/1924; Issued: 09/01/1925
Used for chucking and screw machines
Undated
First recorded use: 08/01/1895; Filed: 07/02/1924; Issued: 03/10/1925
Text on a curved arc; used for shop furniture
Undated
First recorded use: 08/01/1895; Filed: 07/02/1924; Issued: 03/10/1925
Text on a curved arc
Undated
First recorded use: 01/01/1917; Filed: 07/02/1924; Issued: 03/10/1925
Mentions wrenches and socket sets
Undated
First recorded use: 09/01/1923; Filed: 10/09/1923; Issued: 07/01/1924
Renewed July 28, 1953 by NBM