The last part of the inscription looks like "Handy" or "Hanby" to me. The loopy part at the top looks to me as if it serves a double purpose .... Perhaps forming the top part of a capitol "T" then loops around and down to become the cross-member of a capitol "H." Of course, this is just a WAG.
I did a Google search on "Handy Glass" and it came up with some results of vases and such. A search on "Hanby Glass" results in a glass maker at the following link: