13F-HR | SEC Filings Hub

Filing metadata

Accession number: 0001140361-14-002456
Form type: 13F-HR
Filer: BERKSHIRE ASSET MANAGEMENT LLC/PA
CIK: CIK 949012
Filed: Jan 17, 2014
Reporting period: Dec 31, 2013
Description: Institutional holdings

Documents

0001140361-14-002456-index.htm

Complete submission

0001140361-14-002456.txt

directory listing

Filed by

BERKSHIRE ASSET MANAGEMENT LLC/PA