Patents by Inventor Clifford R. Mirman

Clifford R. Mirman 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: 7614819
    Abstract: A post assembly having a first post member, a second post member positioned within the first post member, and a sleeve member installed in the ground. The first and second post members are insertable into the sleeve member and the second post member is rotatable relative to the first post member and the sleeve member to inhibit separation of the first post member and the second post member from the ground sleeve. The first post member includes a first passage, the second post member includes a second passage having a first section and a second section, and the sleeve member includes a latch pin that travels along the first and second passages. When the latch pin is in a particular position within the first and second passages, removal of the first post member and the second post member from the sleeve member is inhibited.
    Type: Grant
    Filed: February 4, 2009
    Date of Patent: November 10, 2009
    Assignee: Schram Management Company
    Inventors: Clifford R. Mirman, Jon M. Schram
  • Patent number: 7524135
    Abstract: A post assembly having a first post member, a second post member positioned within the first post member, and a sleeve member installed in the ground. The first and second post members are insertable into the sleeve member and the second post member is rotatable relative to the first post member and the sleeve member to inhibit separation of the first post member and the second post member from the ground sleeve. The first post member includes a first passage, the second post member includes a second passage having a first section and a second section, and the sleeve member includes a latch pin that travels along the first and second passages. When the latch pin is in a particular position within the first and second passages, removal of the first post member and the second post member from the sleeve member is inhibited.
    Type: Grant
    Filed: June 6, 2008
    Date of Patent: April 28, 2009
    Assignee: Schram Management Company
    Inventors: Clifford R. Mirman, Jon M. Schram
  • Patent number: 5374253
    Abstract: A medical instrument such as an endoscopic or laparoscopic instrument comprising a tubular sheath assembly through which a variety of surgical tools may be axially inserted to perform desired medical procedures. The sheath assembly includes a cylindrical barrel having an irrigation fluid passageway and valve means associated with the passageway for automatically opening and closing the passageway in response to the insertion and removal of a tool from the sheath.
    Type: Grant
    Filed: October 12, 1993
    Date of Patent: December 20, 1994
    Inventors: Charles N. Burns, Sr., James J. Lennox, Clifford R. Mirman