So I started to clean up my Cavalier metal clarinet this morning and noticed it has a tiny "PAT. PEN'G." stamped on the body by the F#/C# key cup, directly between the posts. Does anyone know what patent that is for?
Also, what is the difference between a 92N and the 98N? By the SN mine is a 92N.
Also, what is the difference between a 92N and the 98N? By the SN mine is a 92N.