Through-Door Arm Access Porthole Assembly

A through-door arm access porthole assembly includes a first porthole member securely mounted upon an exterior side of a door. The first porthole member is a rigid plate having a front side, a back side, an opening disposed therethrough, and further having a tubular portion aligned with the opening...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	TIMMONS CHRIS
Format:	Patent
Sprache:	eng
Schlagworte:	CHAIRS FOR DENTISTRY CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL FIXED CONSTRUCTIONS FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES FUNERAL DEVICES HUMAN NECESSITIES HYGIENE LADDERS MEDICAL OR VETERINARY SCIENCE OPERATING TABLES OR CHAIRS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL TRANSPORT OR ACCOMODATION FOR PATIENTS TRANSPORTING
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