Patents by Inventor Mark H. Bouman

Mark H. Bouman 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).

  • Welding machine
    Patent number: D274819
    Type: Grant
    Filed: September 16, 1982
    Date of Patent: July 24, 1984
    Assignee: Century Mfg. Co.
    Inventor: Mark H. Bouman
  • Portable welding machine
    Patent number: D274914
    Type: Grant
    Filed: August 19, 1982
    Date of Patent: July 31, 1984
    Assignee: Century Mfg. Co.
    Inventor: Mark H. Bouman
  • Welding machine
    Patent number: D275292
    Type: Grant
    Filed: August 19, 1982
    Date of Patent: August 28, 1984
    Assignee: Century Mfg. Co.
    Inventor: Mark H. Bouman
  • Welding machine
    Patent number: D275293
    Type: Grant
    Filed: August 19, 1982
    Date of Patent: August 28, 1984
    Assignee: Century Mfg. Co.
    Inventor: Mark H. Bouman
  • Welding machine
    Patent number: D280329
    Type: Grant
    Filed: July 25, 1983
    Date of Patent: August 27, 1985
    Assignee: Century Mfg. Co.
    Inventor: Mark H. Bouman