Patents by Inventor Frank Massari

Frank Massari 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: 4328721
    Abstract: A tubular shank is provided having front and rear ends and including handle defining structure at its rear end and a Phillips head screw engaging tip on its front end. The tip is of the type including four equally peripherally spaced, forwardly tapering and generally radially extending Phillips screw head socket arm portion engaging lugs and includes a central passage extending therethrough opening lengthwise rearwardly into the interior of the tubular shank and forwardly through the forward end of the tip. The passage is generally rectangular in cross-sectional shape with its major transverse center line substantially bisecting the included angles formed between remote pairs of adjacent lugs of the tip. An elongated slotted screwdriver blade is guidingly lengthwise reciprocal through the passage and forwardly extendable past the forward end of the tip and retractable rearwardly from at least the forward portion of the tip.
    Type: Grant
    Filed: September 10, 1980
    Date of Patent: May 11, 1982
    Inventor: Frank Massari