FORD W. HALL COMPANY Trademarks
ALGAE SWEEP AUTOMATION
Filed: March 15, 1991
sweeping machines for removal and control of biological surface deposits and growths
Owned by: FORD W. HALL COMPANY
Serial Number: 74147931
ALGAE SWEEP AUTOMATION
Filed: July 22, 1994
sweeping machines for removal and control of biological surface deposits and growths in wastewater and water treatment tanks…
Owned by: FORD W. HALL COMPANY
Serial Number: 74552193
