J. F. PRITCHARD & CO. Trademarks
SULPHUR--SORBER

SULPHUR--SORBER

Filed: November 10, 1947
PORTABLE EXTRACTOR UNITS FOR REMOVAL OF FOREIGN VAPORS, PARTICULARLY HYDROGEN SULPHIDE FROM NATURAL GAS IN THE PRODUCTION…
Owned by: J. F. PRITCHARD & CO.
Serial Number: 71540709