Patents by Inventor Martin F. Carter

Martin F. Carter 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).

  • Portable greenhouse
    Patent number: 3961442
    Abstract: An improved greenhouse which is of portable type, the greenhouse having the advantage of being very quickly and easily assembled or disassembled, the device consisting of opposite side panels and opposite end panels so to form upstanding walls, at least one end wall including a door, and the upper edges of the walls supporting a row of upwardly arched roof ribs that support a plastic canopy.
    Type: Grant
    Filed: July 29, 1974
    Date of Patent: June 8, 1976
    Inventor: Martin F. Carter