Patents by Inventor Mario W. Espin

Mario W. Espin 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).

  • Fixture for attaching recording tape leader to a tape reel
    Patent number: 5060879
    Abstract: A fixture comprising a pair of press members for engaging opposite sides of a videotape reel for press-fitting of a retaining clip into the reel hub for re-attaching a leader portion of recording tape to the reel.
    Type: Grant
    Filed: June 6, 1990
    Date of Patent: October 29, 1991
    Assignee: Multi-Video, Inc.
    Inventor: Mario W. Espin
  • Apparatus for inspection and repair of recording tape cassettes
    Patent number: 4899946
    Abstract: Apparatus for inspection and repair of recording tape cassettes, particularly videotape cassettes, includes a base having a recess for stationarily receiving the cassette housing and an adjacent channel for receiving and maintaining the tape cover in open dispostion, and a tape advance mechanism having a pair of drive hubs engageable with the tape reels and a clutch release pin simultaneously engageable with the cassette's clutch mechanism to permit manual advance of the tape in either forward or reverse directions. A pair of spindles are mounted on the base in spaced relation to permit a medial extent of the tape to be withdrawn and trained sequentially about the spindles to maintain a portion of the tape transiently exposed for visual inspection during manual advance of the tape. The apparatus is particularly suited for locating and correcting twists, wrinkles, tears, cuts, etc. in the tape of the cassette.
    Type: Grant
    Filed: June 3, 1988
    Date of Patent: February 13, 1990
    Assignee: Multi-Video, Inc.
    Inventors: Mario W. Espin, Helen P. Espin, Thomas P. Senn, Harry M. Joyner, Jr.
  • Apparatus and method for disassembling a magnetic tape cassette
    Patent number: 4765050
    Abstract: An apparatus and method for disassembling a magnetic tape cassette of the type having at least two housing members assembled by a fastener extending through one housing member and attaching internally to the other housing member. The apparatus includes a template for identifying the internal attachment location of the fastener on the other housing member and means for penetrating the other housing member for opening access to the fastener to permit the fastener to be expelled from the housing members for disassembly of the cassette.
    Type: Grant
    Filed: April 21, 1987
    Date of Patent: August 23, 1988
    Inventor: Mario W. Espin
  • Video tape cassette and device therefor
    Patent number: 4496999
    Abstract: A spring clip for attachment to a conventional video tape cassette of the type having an antirecording opening in the cassette housing, the clip being adapted to resiliently engage the housing for sliding movement into and out of covering relation with the antirecording opening respectively to prevent and permit its antirecording operation.
    Type: Grant
    Filed: September 10, 1982
    Date of Patent: January 29, 1985
    Inventor: Mario W. Espin
  • Screw driver bit
    Patent number: D311483
    Type: Grant
    Filed: November 14, 1986
    Date of Patent: October 23, 1990
    Assignee: Helen P. Espin
    Inventor: Mario W. Espin
  • Screw driver bit
    Patent number: D312034
    Type: Grant
    Filed: November 14, 1986
    Date of Patent: November 13, 1990
    Assignee: Helen P. Espin
    Inventor: Mario W. Espin
  • Socket for a screwdriver
    Patent number: D341763
    Type: Grant
    Filed: May 28, 1991
    Date of Patent: November 30, 1993
    Assignee: Multi-Video, Inc.
    Inventor: Mario W. Espin