Patents by Inventor Roger H. Montgomery

Roger H. Montgomery 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).

  • Method for galvanizing perforated steel sheet
    Patent number: 5059455
    Abstract: A process for producing a galvanized perforated steel sheet material is described. A fully processed, unfinished sheet steel material is perforated to provide an area or areas of holes therein. The sheet material is then temper rolled to force any burrs formed during the perforation process back into the web of the material. The perforated sheet material is then galvanized. The galvanized perforated sheet material may then be roll painted without damage to the painting rolls.
    Type: Grant
    Filed: March 8, 1988
    Date of Patent: October 22, 1991
    Assignee: Cyclops Corporation
    Inventors: LaVurne R. Hasselbach, Donald P. Kennedy, Roger H. Montgomery, Samuel W. Moore, Jack W. Neiger