Poly Systems Inc. Trademarks
CULVERT-RENEW
Filed: February 3, 1994
profile wall polyethylene pipe with threaded ends
Owned by: Poly Systems Inc.
Serial Number: 74486142
THREAD-LOC
Filed: February 3, 1994
threaded joint for profile wall polyethylene pipe
Owned by: Poly Systems Inc.
Serial Number: 74486143
