Patents by Inventor Thomas C. Arnold, Sr.

Thomas C. Arnold, Sr. 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).

  • Rodent screen
    Patent number: 5581934
    Abstract: A wire mesh rodent screen is inserted in the end of a corrugated plastic drainage pipe to prevent rodent incursions into the pipe. The screen is formed from two rectangular pieces of wire mesh. One piece is folded to form a cylinder with an in-turned lip at one end. The other piece is stamped to form a shallow dish of corresponding diameter to that of the cylinder. The dish is inserted in the cylinder to engage the lip and is secured to the lip by twisted wire ties.
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: December 10, 1996
    Inventor: Thomas C. Arnold, Sr.