Patents by Inventor George R. Kruzell

George R. Kruzell 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: 3955470
    Abstract: A closed breech rocket gun has a tubular bolt with an outwardly extending lug thereon for locking the bolt in its forwardly projected position as the lug is shifted into engagement with an abutment wall on the receiver by means of a bolt operating plate guided thereon. The bolt operating plate effects retracted and projected movements of the bolt and locks it against the rear portion of the firing chamber at the rear portion of the barrel as it engages the lug in the projected position of the bolt.
    Type: Grant
    Filed: April 24, 1975
    Date of Patent: May 11, 1976
    Inventor: George R. Kruzell