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:
Jan. 01, 1991
Filed:
Mar. 12, 1990
Applicant:
Inventor:
Richard J Ryan, Rockford, IL (US);
Assignee:
AquaTec, Inc., Rockford, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01F / ;
U.S. Cl.
CPC ...
261122 ;
Abstract
Generally there is provided an elastomeric diffuser membrane configured to overlie a planar base and to wrap around the edge. A plurality of lobe extensions of the membrane protrude under the base and are interconnected by a strap to secure the membrane to the base.