The benefits of filing a provisional patent application in Allegheny. This page provides information on the types of patents and types of patent applications, and the examination process.Electronic Filing of Legal Papers in Allegheny County. We accept for filing many types of documents and provide other valuable services to the public. Oneonone assistance is available via video conference or telephone. To add, remove or replace a parent on a birth record, complete the Request to Modify Parentage on a Birth Record(opens in a new tab) form. To add, remove or replace a parent on a birth record, complete the Request to Modify Parentage on a Birth Record(opens in a new tab) form. Library cards are free for PA residents and provide access to materials at 43 Allegheny County libraries, as well as online resources. Apply at any location ALLEGHENY DROP FORGE COMPANY v.