SPIROTOP
Filed: September 17, 1990
components of industrial, commercial and residential hydronic heating and air conditioning system; namely, air eliminators…
Owned by: SPIRO RESEARCH B. V.
Serial Number: 74097376
SPIR-O-SEAL
Filed: September 17, 1990
liquid sealant, conditioner and protectant for central heating systems
Owned by: SPIRO RESEARCH B. V.
Serial Number: 74097558
SUPERVENT
Filed: September 17, 1990
de-aeration apparatus for central heating and cooling of extended systems
Owned by: SPIRO RESEARCH B. V.
Serial Number: 74097656
SPIROTHERM
Filed: September 17, 1990
marketing and sales of industrial equipment, namely, space heating and cooling units and parts thereof
Owned by: SPIRO RESEARCH B. V.
Serial Number: 74097688
SPIRO-MICROPURGE
Filed: September 17, 1990
an apparatus for engine cooling and de-aeration in hydraulic systems
Owned by: SPIRO RESEARCH B. V.
Serial Number: 74097719
