How to find the telephone numbers of some patent applicants? The official search only has an address, not a phone number.

If the applicant is a natural person, the landlord will write or go in person. Housing is open. If the applicant applies through an intermediary, you can contact through an intermediary. It′s on the house. If the applicant is a single enterprise, you should be able to find the telephone number of this unit. Search online or call the address 1 14. If not, you can write or find their agent (if any).