Patents Assigned to F. Boyd, Ltd., Limited Partnership
  • Patent number: 4961239
    Abstract: A knife or tool (10) comprising a member (11) with a blade (12) and tool element (14) thereon, pivotable at (40) whereby one or the other, blade (12) or tool element (14), is correspondingly disposed in a sheath (22) while the other is exposed. Scales (16, 17) are mounted to each side (20, 21) of the member (11) and encompassed within its sheath (22), while an urging means (54, 55) or spring mechanisms are mounted between the member (11) at its pivot point (40) and the scales (16, 17).
    Type: Grant
    Filed: August 22, 1988
    Date of Patent: October 9, 1990
    Assignee: F. Boyd, Ltd., Limited Partnership
    Inventors: Frank M. Boyd, Sr., Francis M. Boyd, Jr.