PETERSON FILTERS AND ENGINEERING COMPANY Trademarks
CONTOUR SCRAPER
Filed: April 21, 1961
FILTERS
Owned by: PETERSON FILTERS AND ENGINEERING COMPANY
Serial Number: 72118369
TURN-FLOW
Filed: October 11, 1972
FILTERING APPARATUS-NAMELY, ROTARY VACUUM DISC TYPE FILTERS
Owned by: PETERSON FILTERS AND ENGINEERING COMPANY
Serial Number: 72438032
