6410 Regent Street
This is undoubtedly the J. O. Adler whose 1914 mark is at 5368 Broadway.
1915 – John O. Adler
3 June 20091909 – F. E. Nelson
2 June 2009
6408 Telegraph Avenue
This is right next to the Orth & Braun mark featured yesterday, my oldest F. E. Nelson mark so far.
Orth & Braun
1 June 2009
6408 Telegraph Avenue
This is right next to the bus stop. Orth is a long-running name, either H. C. Orth or a relative, in northern Oakland sidewalks.
Mosagna Son
31 May 2009
6407 Regent Street
I have to assume that this business was Mosagna and Son, presumably younger than Mosagna (but maybe not!).
Castellanos Concrete
30 May 2009
6451 Hillegas Avenue
These guys don’t look like they date their marks.
Carl T. Petersen
29 May 2009
437 Alcatraz Avenue
There seem to have been a lot of Petersens around.
J. S. Mattos Concrete Co.
28 May 2009
3770 Harrison Street
