Patents by Inventor Randall P. Buhk

Randall P. Buhk 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: 4152023
    Abstract: The specification discloses a chair system wherein two different types of chairs, a shell chair and a sling chair, can be made using the same basic components and tooling. Spaced side rails support a separately molded plastic seat and back which can be upholstered with upholstery pads which do not cover the side rails to create a sling type chair, or which can be upholstered with a wrap-around type of upholstering and covered on the rear surface by a shell when a shell type chair is desired.
    Type: Grant
    Filed: January 14, 1977
    Date of Patent: May 1, 1979
    Assignee: Steelcase Inc.
    Inventor: Randall P. Buhk
  • Patent number: D244812
    Type: Grant
    Filed: September 5, 1975
    Date of Patent: June 28, 1977
    Assignee: Steelcase, Inc.
    Inventor: Randall P. Buhk
  • Patent number: D253205
    Type: Grant
    Filed: January 14, 1977
    Date of Patent: October 23, 1979
    Inventor: Randall P. Buhk
  • Patent number: D253206
    Type: Grant
    Filed: January 14, 1977
    Date of Patent: October 23, 1979
    Assignee: Steelcase Inc.
    Inventor: Randall P. Buhk
  • Patent number: D259155
    Type: Grant
    Filed: May 22, 1978
    Date of Patent: May 12, 1981
    Assignee: Steelcase Inc.
    Inventor: Randall P. Buhk
  • Patent number: D259750
    Type: Grant
    Filed: May 22, 1978
    Date of Patent: July 7, 1981
    Assignee: Steelcase Inc.
    Inventor: Randall P. Buhk
  • Patent number: D260205
    Type: Grant
    Filed: May 22, 1978
    Date of Patent: August 18, 1981
    Assignee: Steelcase Inc.
    Inventor: Randall P. Buhk
  • Patent number: D260216
    Type: Grant
    Filed: May 22, 1978
    Date of Patent: August 18, 1981
    Assignee: Steelcase Inc.
    Inventor: Randall P. Buhk
  • Patent number: D264149
    Type: Grant
    Filed: May 22, 1978
    Date of Patent: May 4, 1982
    Assignee: Steelcase Inc.
    Inventor: Randall P. Buhk
  • Patent number: D267838
    Type: Grant
    Filed: November 5, 1979
    Date of Patent: February 8, 1983
    Assignee: Steelcase Inc.
    Inventors: Randall P. Buhk, Kenneth W. Hozeski, Alex Karrip
  • Patent number: D267989
    Type: Grant
    Filed: November 5, 1979
    Date of Patent: February 22, 1983
    Assignee: Steelcase Inc.
    Inventors: Randall P. Buhk, Kenneth W. Hozeski, Alex Karrip
  • Patent number: D267990
    Type: Grant
    Filed: November 5, 1979
    Date of Patent: February 22, 1983
    Assignee: Steelcase Inc.
    Inventors: Randall P. Buhk, Kenneth W. Hozeski, Alex Karrip
  • Patent number: D275060
    Type: Grant
    Filed: November 19, 1981
    Date of Patent: August 14, 1984
    Assignee: Steelcase Inc.
    Inventor: Randall P. Buhk
  • Patent number: D275720
    Type: Grant
    Filed: November 19, 1981
    Date of Patent: October 2, 1984
    Assignee: Steelcase Inc.
    Inventor: Randall P. Buhk
  • Patent number: D277525
    Type: Grant
    Filed: November 5, 1979
    Date of Patent: February 12, 1985
    Assignee: Steelcase Inc.
    Inventors: Randall P. Buhk, Kenneth W. Hozeski, Alex Karrip
  • Patent number: D309381
    Type: Grant
    Filed: April 23, 1987
    Date of Patent: July 24, 1990
    Assignee: Allsteel Inc.
    Inventor: Randall P. Buhk
  • Patent number: D309382
    Type: Grant
    Filed: April 23, 1987
    Date of Patent: July 24, 1990
    Assignee: Allsteel Inc.
    Inventor: Randall P. Buhk
  • Patent number: D309384
    Type: Grant
    Filed: April 23, 1987
    Date of Patent: July 24, 1990
    Assignee: Allsteel Inc.
    Inventor: Randall P. Buhk
  • Patent number: D309385
    Type: Grant
    Filed: April 23, 1987
    Date of Patent: July 24, 1990
    Assignee: Allsteel Inc.
    Inventor: Randall P. Buhk
  • Patent number: D309386
    Type: Grant
    Filed: April 23, 1987
    Date of Patent: July 24, 1990
    Assignee: Allsteel Inc.
    Inventor: Randall P. Buhk