Patents by Inventor Steven A. Silverstein

Steven A. Silverstein 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).

  • Film spool storage case
    Patent number: 4978004
    Abstract: A film spool storage case includes a main housing having a base and a side wall, the base and the side wall defining a cavity for receiving a plurality of film spools therein, the side wall having a height at least as great as the heights of the spools and the side wall defining an opening at an upper end thereof; a cover releasably securable to the housing in covering relation to the opening; and a plurality of positioning projections secured to the base for positioning the film spools in the cavity in spaced relation.
    Type: Grant
    Filed: January 30, 1989
    Date of Patent: December 18, 1990
    Assignee: Light & Shadow Inc.
    Inventors: Steven Silverstein, Christopher Scholz
  • Film spool storage case
    Patent number: 4819794
    Abstract: A film spool storage case includes a main housing having a base and a side wall, the base and the side wall defining a cavity for receiving a plurality of film spools therein, the side wall having a height at least as great as the heights of the spools and the side wall defining an opening at an upper end thereof; a cover releasably securable to the housing in covering relation to the opening; and a plurality of positioning projections secured to the base for positioning the film spools in the cavity in spaced relation.
    Type: Grant
    Filed: February 16, 1988
    Date of Patent: April 11, 1989
    Assignee: Light and Shadow, Inc.
    Inventors: Steven Silverstein, Christopher Scholz
  • Computer display station
    Patent number: D314559
    Type: Grant
    Filed: October 11, 1989
    Date of Patent: February 12, 1991
    Assignee: International Business Machines Corporation
    Inventors: Larry S. Foster, Richard F. Sapper, Steven A. Silverstein, James P. Wang
  • Computer upper expansion unit
    Patent number: D319049
    Type: Grant
    Filed: October 11, 1989
    Date of Patent: August 13, 1991
    Assignee: International Business Machines Corporation
    Inventors: Steven A. Silverstein, James P. Wang
  • Computer crt monitor
    Patent number: D321345
    Type: Grant
    Filed: October 11, 1989
    Date of Patent: November 5, 1991
    Assignee: International Business Machines Corporation
    Inventors: Larry S. Foster, Richard F. Sapper, Steven A. Silverstein, James P. Wang
  • Printer
    Patent number: D321532
    Type: Grant
    Filed: February 22, 1989
    Date of Patent: November 12, 1991
    Assignee: Lexmark International, Inc.
    Inventors: Marguerite H. Doyle, Troy A. Lee, Nadia Nouri, Steven A. Silverstein, James P. Wang, Bernard L. Wilzbach, Krikor Yosmali
  • Disk drive unit for computer
    Patent number: D322601
    Type: Grant
    Filed: October 11, 1989
    Date of Patent: December 24, 1991
    Assignee: International Business Machines Corporation
    Inventors: Richard F. Sapper, Steven A. Silverstein, James P. Wang
  • Computer lower expansion unit
    Patent number: D322965
    Type: Grant
    Filed: October 11, 1989
    Date of Patent: January 7, 1992
    Assignee: IBM Corporation
    Inventors: Steven A. Silverstein, James P. Wang
  • Computer keyboard
    Patent number: D330199
    Type: Grant
    Filed: October 11, 1989
    Date of Patent: October 13, 1992
    Assignee: Lexmark International, Inc.
    Inventors: Peter J. Mendel, Steven A. Silverstein
  • Printer
    Patent number: D332798
    Type: Grant
    Filed: May 22, 1991
    Date of Patent: January 26, 1993
    Assignee: Lexmark International, Inc.
    Inventors: William R. Crowe, Steven A. Silverstein
  • Typewriter
    Patent number: D354071
    Type: Grant
    Filed: April 29, 1993
    Date of Patent: January 3, 1995
    Assignee: Lexmark International, Inc.
    Inventors: Freddie M. Lawson, Peter J. Mendel, Steven A. Silverstein
  • Duplex attachment for a printer
    Patent number: D356816
    Type: Grant
    Filed: March 11, 1993
    Date of Patent: March 28, 1995
    Assignee: Lexmark International, Inc.
    Inventors: Daniel P. Cahill, Gordon R. Dunning, Michael C. Leemhuis, Steven A. Silverstein, Daniel J. Westhoff, Edward W. Yohon, Jr.
  • Printer
    Patent number: D360648
    Type: Grant
    Filed: March 11, 1993
    Date of Patent: July 25, 1995
    Assignee: Lexmark International, Inc.
    Inventors: Johnnie A. Coffey, Daniel L. Huber, Peter J. Mendel, Steven G. Minton, Steven A. Silverstein
  • Adjustable keyboard for a personal computer
    Patent number: D362434
    Type: Grant
    Filed: May 27, 1994
    Date of Patent: September 19, 1995
    Assignee: Lexmark International, Inc.
    Inventors: William A. Abell, Jr., David C. Bishop, Edwin T. Coleman, III, John M. Huellemeier, Charles H. Lingle, Peter J. Mendel, Kenneth H. Mimlitch, Edward E. Pollard, Steven A. Silverstein