Prototype Production Plastics, Inc. Trademarks
EVER-FLEX
Filed: September 16, 1992
plastic pinch valve
Owned by: Prototype Production Plastics, Inc.
Serial Number: 74314234
EVR-FLX
Filed: February 5, 1993
plastic pinch valve
Owned by: Prototype Production Plastics, Inc.
Serial Number: 74355885
DYNEVER
Filed: November 10, 1993
air or hydraulically operated pinch valve used by original equipment manufacturers; used to permit the carrying of liquids…
Owned by: Prototype Production Plastics, Inc.
Serial Number: 74456784
