Patents by Inventor Michael Hirschfeld

Michael Hirschfeld 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).

  • Trigger for selectively discharging simultaneously any number of barrels on a multiple-barrelled firearm
    Patent number: 3950875
    Abstract: A firing mechanism for a firearm with a barrel assembly having a plurality of substantially parallel barrels. The mechanism comprises a like plurality of firing assemblies, each assembly being associated with one barrel. The firing assembly is arranged to selectively discharge one or more cartridges. The assembly includes a trigger adapted to engage and release the firing assembly in sequence, and it includes means for adjustably controlling the number of firing assemblies which can be released upon a single actuation of the trigger.
    Type: Grant
    Filed: January 26, 1971
    Date of Patent: April 20, 1976
    Assignee: Block Engineering, Inc.
    Inventor: Michael Hirschfeld