Patents by Inventor William Wolar

William Wolar 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).

  • Patent number: 4403214
    Abstract: The protective device includes a switch, a spring loaded switch actuator overlying and coextensive with the upper surface of the attachment supported by the bed, an electric control interconnected with the power supply to the bed and said switch so that elevation of said bed is automatically terminated upon contact of said switch actuator with an obstacle above the bed. The protective device may also be integrated with the attachment support in that the support includes the switch and a spring supporting the attachment in an upper position so that the attachment upon engaging an obstacle will be depressed and actuate the switch to interrupt elevation of the bed.
    Type: Grant
    Filed: October 8, 1981
    Date of Patent: September 6, 1983
    Inventor: William Wolar
  • Patent number: 4325061
    Abstract: The attachment includes switch means, a spring loaded switch actuator overlying and coextensive with the upper surface of the attachment, an electric control interconnected with the power supply to the bed and said switch so that elevation of said bed is automatically terminated upon contact of said switch actuator with an obstacle above the bed.
    Type: Grant
    Filed: October 27, 1980
    Date of Patent: April 13, 1982
    Inventor: William Wolar
  • Patent number: 4314320
    Abstract: A light distribution louver for a lighting fixture wherein the louver together with supporting apparatus closes at least the bottom of the light fixture. The louver may be of unitary construction or preferably formed of individual louver sections or sectors depending upon the shape of the supporting apparatus. The louver sections or sectors may have fixed or movable vanes and in the case of sections, they may be positioned in a variety of orientations to attain varied light distribution characteristics. The invention further contemplates a structure wherein the supporting apparatus encloses the lighting fixture to afford more complete protection.
    Type: Grant
    Filed: April 14, 1980
    Date of Patent: February 2, 1982
    Inventor: William Wolar
  • Patent number: 4222094
    Abstract: A light distribution louver for a lighting fixture wherein the louver together with supporting apparatus closes at least the bottom of the light fixture. The louver may be of unitary construction or preferably formed of individual louver sections or sectors depending upon the shape of the supporting apparatus. The louver sections or sectors may have fixed or movable vanes and in the case of sections, they may be positioned in a variety of orientations to attain varied light distribution characteristics. The invention further contemplates a structure wherein the supporting apparatus encloses the lighting fixture to afford more complete protection.
    Type: Grant
    Filed: October 30, 1978
    Date of Patent: September 9, 1980
    Inventor: William Wolar