Resources Contact Us Home Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE     P & H Sales Co. Patents Assignee: P & H Sales Co. Address: Montebello, CA No. of patents: 1 Patents: Patent Number Title Of Patent Date Issued 4633544 Shopping cart friction wheel assembly January 6, 1987 An improved wheel assembly is provided for use with a shopping cart or the like to restrain the cart against rolling movement when parked. The improved wheel assembly comprises a wheel rotatably supported on the cart or the like by a friction bearing unit which imparts a predetermined       Recently Added Patents Liquid discharge head having hollow portions for relaxing stress in the head and manufacturing method of the same System and method for designing a network Air filter arrangement; assembly; and, methods Process for producing modified polymer rubber Magazine for printing and converting heads, particularly for printing machines Welding wire feeder and connection apparatus Methods for finding a merge point node for MPLS fast re-route   Randomly Featured Patents Liquid composition for light and heat stabilization of polyamides Ring with bezel secured by the decorative member it surrounds High-temperature powder deposition apparatus and method utilizing feedback control Organic photoconductive material for electrophotography Master cathode ray tube jig with LEDs simulating stray emissions for calibration of a stray emissions detection system and methods of making and using same Gas turbine annular combustor with radial dilution air injection Forward-looking radar system Line guide Bottle Apparatus for preventing the direction of a harmful jet from a spraying nozzle on a web © 2006. PatentGenius. All Rights Reserved.