Patents by Inventor Eugene C. Collins

Eugene C. Collins 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).

  • Surveying rod
    Patent number: 4060909
    Abstract: A telescoping surveying rod is disclosed having an adjustable support member to permit direct reading from a reference elevation such as zero elevation or from a one hundred foot elevation when the rod is used as a standard rod for elevation or for excavation; the rod includes dual scales lineated for tenths of a foot and for inches to permit direct reading of either without necessitating any conversion.
    Type: Grant
    Filed: March 2, 1976
    Date of Patent: December 6, 1977
    Inventors: Eugene C. Collins, Stephen E. Collins, David N. Collins