Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001225208-11-014761
Filing Date
2011-05-18
Accepted
2011-05-18 14:50:32
Documents
1
Period of Report
2011-05-16

Document Format Files

Seq Description Document Type Size
1 doc4.html 4  
1 doc4.xml 4 4843
  Complete submission text file 0001225208-11-014761.txt   6204
Mailing Address P O BOX 426 PITTSBURGH PA 15230
Business Address 121 GAMMA DR OHARA TOWNSHIP PITTSBURGH PA 15238 4129673000
MINE SAFETY APPLIANCES CO (Issuer) CIK: 0000066570 (see all company filings)

EIN.: 250668780 | State of Incorp.: PA | Fiscal Year End: 1231
SIC: 3842 Orthopedic, Prosthetic & Surgical Appliances & Supplies

Mailing Address C/O RF MICRO DEVICES, INC. 7628 THORNDIKE ROAD GREENSBORO NC 27409
Business Address
BRUGGEWORTH ROBERT A (Reporting) CIK: 0001140842 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-15579 | Film No.: 11854637