Patents Assigned to Robert Lyman Hamilton
  • Rodent exterminator
    Patent number: 4539774
    Abstract: A rodent exterminator triggered by the presence of a rodent in close proximity thereto having a spear attached thereto which impales the rodent, killing it instantly.A remote trigger actuates a solenoid to release a spring biased plunger, which is propelled into a firing pin to detonate a cartridge. Explosive gases from the cartridge actuates a plunger which has the spear attached thereto.
    Type: Grant
    Filed: March 30, 1984
    Date of Patent: September 10, 1985
    Assignees: Alice Hamilton Guest, Robert Lyman Hamilton, Neil Wesley Hamilton
    Inventor: Lyman L. Hamilton