Patents by Inventor Hugh Alexander Campbell

Hugh Alexander Campbell 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: 5918374
    Abstract: A sight having a foresight includes a main body that has an internal bore therethrough such that the main body can receive the barrel of a firearm. A spring-biased body located in the main body includes at least a portion thereof biased towards the internal bore of the main body so that it can engage an indentation formed on the barrel of the fire to secure the foresight on the barrel. The sight may also include a rearsight which may be releasable fixed to the barrel.
    Type: Grant
    Filed: September 23, 1997
    Date of Patent: July 6, 1999
    Assignee: Thompson & Campbell Limited
    Inventors: Hugh Alexander Campbell, Ian Fraser Thompson
  • Patent number: 5813158
    Abstract: There is disclosed an improved firearm, and in particular an improved rifle such as a bolt action rifle. Known rifles suffer from a number of problems, for example, accuracy, ease of disassembly, ease of assembly and realignment. Accordingly there is provided a rifle 5 comprising a stock 10 and an action 25 seated in the stock, the stock comprising a forestock 15 and a buttstock 20, wherein there are provided means for connecting a foremost end of the buttstock 20 to the action 25. The connection means allow the stock 10 and the action 25 to be releasably connecting one with the other.
    Type: Grant
    Filed: March 31, 1997
    Date of Patent: September 29, 1998
    Assignee: Thompson & Campbell Limited
    Inventors: Hugh Alexander Campbell, Ian Fraser Thompson
  • Patent number: 5787629
    Abstract: There is disclosed an improved firearm, and in particular an improved rifle such as a bolt action rifle. Known rifles suffer from a number of problems, for example, accuracy, ease of disassembly, ease of assembly and realignment. Accordingly there is provided a rifle 5 comprising a stock 10 and an action 25 seated in the stock, the stock comprising a forestock 15 and a buttstock 20, wherein there are provided means for connecting a foremost end of the buttstock 20 to the action 25. The connection means allow the stock 10 and the action 25 to be releasably connection one with the other.
    Type: Grant
    Filed: September 24, 1996
    Date of Patent: August 4, 1998
    Assignee: Thompson & Campbell Limited
    Inventors: Hugh Alexander Campbell, Ian Fraser Thompson