This week we report one computer, one chemical and five mechanical patents awarded Utah inventors by the U.S. Patent Office.
Laurence B. Hanson, Sandy. A support frame for receiving and retaining a panel of glass as part of a wall or door assembly. Assigned to Capitol Glass & Aluminum Corporation, Salt Lake City. Filed Aug. 29, 1988. Patent 4,914,888.Bryant E. Porter, 553 West 9460 South, Sandy 84070. An aluminum-faced air vent or louver that is adapted to be flush-mounted to an exterior wall of a building. Filed May 17, 1989. Patent 4,915,023.
David C. Guth, Salt Lake City. A wall shelf system. Assigned to Futura Industries Corporation, Boise, Id. Filed May 3, 1989. Patent 4,915,338.
Erik H. Madsen, 2405 Camino Way, Salt Lake City 84121. A compactible tennis racquet. Filed June 6, 1988. Patent 4,915,382.
Tomasz J. Petelenz, 623 University Village, Salt Lake City 84108; Stephen C. Jacobsen, 274 S. 1200 East, Salt Lake City 84102; Robert L. Stephen, 2501 Kensington Ave., and Jiri Janata, 2231 Logan Ave., both of Salt Lake City 84108. Methods and apparatus for iontophoresis application of medicaments at a controlled pH through ion exchange. Continuation-in-part of application filed March 19, 1986. This application filed June 19, 1987. Patent 4,915,685.
Allan Elias, HCR 34 Box 3, Pocatello, Id. 83202, and Hans W. Rasmussen, 660 S. 400 East, St. George 84770. A process for recovery of metals from phosphate flue dust that contains carbon, wherein the metals are selected from the group consisting of silver, gallium, arsenic and cadmium. Continuation of applications filed Sep. 19, 1985 and Dec. 10, 1987. This application filed July 13, 1989. Patent 4,915,730.
Christopher R. Keate, Salt Lake City; Jeffrey Mac Thornock, Layton, and Bruce H. Williams, Sandy. Apparatus for receiving and locking onto Doppler shifted data rate signals. Assigned to Unisys Corp., Blue Bell, Pa. Filed Oct. 27, 1988. Patent 4,916,405.
Copies of patents may be obtained for $1.50 from Box 9, Patent and Trademark Office, Washington D.C. 20231.