Patents by Inventor Robert C. Norman

Robert C. Norman 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: 5768790
    Abstract: An angle indicator for connection to a pipe bender having an elongated handle or the like, which is generally characterized by the presence of: (a) a pivoting linear member having a spirit level thereon/therein for determining when it is horizontal; (b) which pivoting linear member is pivotally attached to another linear member which includes means by which it may be attached to the handle of the pipe bender being used in such manner that it is horizontal when the pipe bender is initially affixed to a pipe to be bent; and (c) means by which the relation between the two linear members may be nonpermanently set at a preselected angle.
    Type: Grant
    Filed: October 28, 1996
    Date of Patent: June 23, 1998
    Inventor: Robert C. Norman