Patents by Inventor Richard V. Proffitt

Richard V. Proffitt 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).

  • Battery-powered appliance
    Patent number: 4616169
    Abstract: Appliance has housing with removable battery-pack section having a front end shaped to slide dovetail fashion up into the appliance housing and a spring-biased latch which holds up the rear of the section. Sets of contacts for discharge and charging have parallel contacts directed in the direction of the installing movement of the section into the housing.
    Type: Grant
    Filed: April 8, 1985
    Date of Patent: October 7, 1986
    Assignee: Scovill Inc.
    Inventor: Richard V. Proffitt