FREEZE PROTECTION PLUMBING SYSTEMS COMPRISED

Brand	Owner	Address	Description
PREVENT-A-FREEZE	Swan Industries, Inc.	633 N.E. First Street Bend OR 97701	Freeze protection plumbing systems comprised of manually- and automatically operated valves, drains and pipes, for use in homes and RV's.;PREVENT A FREEZE;
	Where the owner name is not linked, that owner no longer owns the brand

Technical Examples

Optical transmission systems of the present invention include optical protection systems, apparatuses, and methods that provide increased reliability in the system. The optical system generally includes an optical switch having distinct, cooperating dedicated and shared protection sections. The shared protection sections in a plurality of nodes can be configured to provide a protection net, in which a plurality of traffic demands, or working channels, are commonly protected as protection group using one protection channels supported by the protection net.