OTOH, the USPTO's online TM search system lists the live/active registered mark "WURLITZER" (Reg. No. 6,207,843; Registered Dec. 01, 2020).
This registration addresses "Goods and Services" classification "IC 015," specifically: "Cases for musical instruments; Clarinets; Electronic musical keyboards; Electronic musical instruments; Glockenspiels; Horns; Mouthpieces for musical instruments; Music synthesizers; Organs; Recorders; Reeds for use in woodwind mouthpieces; Stands for musical instruments; Triangles".
The current owner is listed as "Wurlitzer Licensing UG" ("UG" is a form of "entrepreneurial" limited liability company).
The original application was made by "Dipl-Ing. Gudrun Wurlitzer," and later assigned to the UG (at the same address).
You may be able to access the complete PTO application record directly, here.
If not, go to the PTO's TM search page here, enter "6207843" in the search box, and click on the little magnifying glass. A large icon indicating the record will appear, and you can click on the word "WURLITZER" to be directed to the record.
Once you're at the registration record, click on the "Documents" tab to view copies of all correspondence/paperwork associated with this word mark application.