Patents by Inventor Stig Jonsson

Stig Jonsson 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).

  • Surgical operating room lamp or similar lamp
    Patent number: 4803607
    Abstract: Surgical operating room lamp comprising a lamp housing (10) and at least three reflectors (24, 26, 28) with bulbs or similar lamps provided in the housing and equally spaced around the center optical axis of the lamp housing. According to the invention all reflectors are carried by a flexible diaphragm member (16) which rests at its edge against an abutment shoulder (14) in the housing. The center of the diaphragm member is axially movable by means of a control member (18, 20, 22) to be flexed so as to adjust the angular position of the reflectors simultaneously.
    Type: Grant
    Filed: January 19, 1988
    Date of Patent: February 7, 1989
    Assignee: Landstingens inkopscentral LIC, ekonomisk forening
    Inventor: Stig Jonsson