Ecological Systems, Inc. Trademarks
ALGAE SCRUBBER
Filed: June 1, 1990
filters for water filtration systems
Owned by: Ecological Systems, Inc.
Serial Number: 74064687
ECOSYSTEMS
Filed: July 11, 1990
water filtration algal turf units for use in chemical removal from a water medium environment
Owned by: Ecological Systems, Inc.
Serial Number: 74077356
ECOLOGICAL SYSTEMS
Filed: July 11, 1990
water filtration algal turf units for use in chemical removal from a water medium environment
Owned by: Ecological Systems, Inc.
Serial Number: 74077362
