The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 23, 1991
Filed:
Feb. 15, 1990
Cary L Wilson, Tulsa, OK (US);
John A Graham, Tulsa, OK (US);
Other;
Abstract
A system for improving the work environment in a contaminated room while contaminated material, such as asbestos, is being removing therefrom, including a dressing room adjacent the contaminated room, a decontamination unit connecting the dressing room with the contaminated room through which workmen pass when entering or exiting the contaminated room, a filtered air pump for passing filtered air from within the contaminated room through an air discharge opening to the atmosphere to maintain negative air pressure within the contaminated room, a conduit connecting the contaminated room with the decontamination unit, and a filtered air pump for passing filtered air through the conduit into the decontamination unit to maintain positive air pressure within the decontamination unit and air flow therein from the decontamination unit into the contaminated room.