Patents by Inventor John C. Elmer

John C. Elmer 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: 5509660
    Abstract: The invention relates to a golf club head which comprises a body made up of two body parts. The first body part comprises a body segment, defining the striking face of the golf club head, and a second body segment extending substantially perpendicularly from the first body segment and defining the sole of the golf club head. The second body part comprises a perimeter weighted frame which forms the rear side of the golf club head and a hosel for receiving a golf club shaft. The two body parts define complementary locating formations permitting the required location of the two body parts with respect to one another and securing together thereof by rivets.
    Type: Grant
    Filed: August 8, 1994
    Date of Patent: April 23, 1996
    Inventor: John C. Elmer
  • Patent number: 5128649
    Abstract: A motor vehicle alarm may be locked on the steering wheel of a vehicle includes an arcuate shaped body, a locking mechanism, a control means, a detecting means, and an audible alarm. The detecting means has at least one detector to detects a presence of a person within the vehicle. The control means has a delay circuit to delay activation of the detecting means and of the audible alarm, a signal amplifier, a signal generator producing necessary coded signal, a comparator for recognition of a correct signal, for activation and deactivation of the detecting means, and for energizing the locking mechanism. The alarm may be secured on a steering wheel of a vehicle. The body has further an extending portion from one end beyond the periphery of the steering wheel to prevent a complete rotation of the steering wheel.
    Type: Grant
    Filed: July 8, 1991
    Date of Patent: July 7, 1992
    Assignee: Chao-Yean Chang
    Inventor: John C. Elmer