Patents by Inventor Marlene R. Arnold

Marlene R. Arnold has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Rolling caster floor tester
    Patent number: 4569222
    Abstract: An apparatus for testing the friction and susceptibility to damage by casters of various floor materials. A sample of floor material is moved under a caster wheel by a moving table. The caster orientation, pressure and size are variable. Forces on the caster are monitored by instruments which also read the reaction of the floor sample to the test. Records are produced both in tabular and in graphic form.
    Type: Grant
    Filed: December 24, 1984
    Date of Patent: February 11, 1986
    Assignee: Armstrong World Industries, Inc.
    Inventors: Marlene R. Arnold, George E. Gard