Patents by Inventor Earl R. Dykes

Earl R. Dykes 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).

  • Instructional chair
    Patent number: 4183154
    Abstract: A bolted together disassemblable instructional chair having color coded and number coded or letter coded joint portions and with joining portions provided with respectively different numbers and sizes of bolt openings fitted with corresponding bolts and nuts.
    Type: Grant
    Filed: July 25, 1978
    Date of Patent: January 15, 1980
    Inventor: Earl R. Dykes