Patents by Inventor James J. Nowacek

James J. Nowacek 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).

  • Slate and interlayment roof and a method of preparing the same
    Patent number: 6516572
    Abstract: An improved roof and method wherein each course of slate is underlaid with an interlayment material layer such that the interlayment material acts as a base to the through joints, resulting in a reduction in the amount of slate used by approximately 40% to 50%. The slate meets side to side (the through joint), the underlaying interlayment material providing sufficient waterproofing to protect the roof as well as being of lighter weight and a more economical slate roof than the slate which it replaces.
    Type: Grant
    Filed: September 11, 2000
    Date of Patent: February 11, 2003
    Inventors: David C. Nowacek, James J. Nowacek
  • Slate and interlayment roof and a method of preparing the same
    Patent number: 6148578
    Abstract: An improved roof and method wherein each course of slate is underlain with an interlayment material layer such that the interlayment material acts as a base to the through joints, resulting in a reduction in the amount of slate used by approximately 40% to 50%. The slate meets side to side (the through joint), the underlaying interlayment material providing sufficient waterproofing to protect the roof as well as being of lighter weight and a more economical slate roof than the slate which it replaces.
    Type: Grant
    Filed: June 17, 1998
    Date of Patent: November 21, 2000
    Inventors: David C. Nowacek, James J. Nowacek