[78-L] Pat? What record company does this stand for?

[Richard Harris]

The discography (Spottswood) for my grandfather's vaudeville group the Three 
Vagrants indicates that they recorded for "Pat" in the 1910's. What company is 
that?
 Richard R. Harris, Ph.D, RPF 1961
rrharris2464 at sbcglobal.net