Patents by Inventor Dov Y. Feinstein

Dov Y. Feinstein 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).

  • Method of upgrading memory boards
    Patent number: 4632293
    Abstract: A simple method of upgrading memory boards containing soldered memory chips by upward pin compatible memory chips with more memory. The new memory chips are soldered over the original memory chips after the power pins of the original chips have been disconnected and insulated from the original chips. This method is particularly useful for upgrading type "4164" 64Kb DRAM chips by type "4256" 256Kb DRAM chips.
    Type: Grant
    Filed: September 3, 1985
    Date of Patent: December 30, 1986
    Inventor: Dov Y. Feinstein