Medical apparatus Trademarks Filed in February 2, 1953
AMPEREX
Filed: February 2, 1953
X-RAY TUBES
Owned by: AMPEREX ELECTRONIC CORPORATION
Serial Number: 71641594
SELLSTROM
Filed: February 2, 1953
RESPIRATORS
Owned by: SELLSTROM MANUFACTURING COMPANY
Serial Number: 71642116
