Audiovisual system for suspending a video projector and associated audiovisual components from a ceiling consisting of a ceiling mounting plate, projector mount, projector mounting pole with an enclosed audiovisual system consisting of audiovisual switcher, amplifier, and receiver for sending video, audio, and control signals over unshielded twisted pair cables, and audiovisual components, namely, audio speakers, transmitters for sending video, audio, and control signals over unshielded twist...

Stand for Hanging Photographic Background Paper

Hypodermic tubing, commercially known as hypotubes, used in catheters for delivery in minimally invasive devices, all for laboratory use