Patents by Inventor Alex Wulff Zimmermann

Alex Wulff Zimmermann 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).

  • Magazine for rifles and handguns
    Patent number: 7318294
    Abstract: An improved magazine has crimped feed lips which feed rebated rim cartridges into a handgun or rifle without nose-diving. The magazine has a metal-reinforced follower which extends the operational life of the magazine.
    Type: Grant
    Filed: March 16, 2006
    Date of Patent: January 15, 2008
    Inventor: Alex Wulff Zimmermann
  • Versatile M1911-style handgun and improved magazine for rifles and handguns
    Patent number: 7047686
    Abstract: An improved M1911-style handgun employs redistributed masses for a slide and bull barrel to reduce perceived recoil and muzzle flip when the gun is fired. The gun operates with cartridges having .50 caliber cases, bullets of .50 caliber or less, and 45 ACP-sized base rims, as well as with .45 ACP and smaller caliber cartridges. An improved magazine has crimped feed lips which feed rebated rim cartridges into any handgun or rifle without nose-diving, and a metal-reinforced follower which extends the operational life of the magazine.
    Type: Grant
    Filed: December 2, 2004
    Date of Patent: May 23, 2006
    Inventor: Alex Wulff Zimmermann