Patents by Inventor Roland Zapfe

Roland Zapfe 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).

  • Tape cartridge or similar article
    Patent number: D277851
    Type: Grant
    Filed: December 1, 1982
    Date of Patent: March 5, 1985
    Assignee: International Business Machines Corp.
    Inventors: David M. Gresham, Paul Y. Hu, Maurice E. Richard, Philip C. Yenerich, Roland Zapfe
  • Tape drive
    Patent number: D282747
    Type: Grant
    Filed: March 14, 1983
    Date of Patent: February 25, 1986
    Assignee: International Business Machines Corporation
    Inventors: David M. Gresham, Ted F. Kelley, Philip C. Yenerich, Roland Zapfe
  • Tape drive system or the like
    Patent number: D284375
    Type: Grant
    Filed: March 19, 1984
    Date of Patent: June 24, 1986
    Assignee: International Business Machines Corporation
    Inventors: Joseph G. Bullock, David M. Gresham, Ted F. Kelley, Leroy H. Moser, Kenneth L. White, Philip C. Yenerich, Roland Zapfe, Kurt W. Gibson
  • Tape drive
    Patent number: D288688
    Type: Grant
    Filed: September 24, 1984
    Date of Patent: March 10, 1987
    Assignee: International Business Machines Corporation
    Inventor: Roland Zapfe
  • Tape drive
    Patent number: D319637
    Type: Grant
    Filed: September 1, 1989
    Date of Patent: September 3, 1991
    Assignee: International Business Machines Corporation
    Inventors: Richard D. Kusel, Martin J. Marotti, Roland Zapfe
  • Tape drive
    Patent number: D319638
    Type: Grant
    Filed: October 23, 1989
    Date of Patent: September 3, 1991
    Assignee: International Business Machines Corporation
    Inventors: Martin J. Marotti, Kenneth R. Shelley, Roland Zapfe
  • Tape drive
    Patent number: D322248
    Type: Grant
    Filed: May 15, 1991
    Date of Patent: December 10, 1991
    Assignee: International Business Machines Corporation
    Inventors: Richard D. Kusel, Martin J. Marotti, Roland Zapfe
  • Display unit
    Patent number: D322249
    Type: Grant
    Filed: October 23, 1989
    Date of Patent: December 10, 1991
    Assignee: International Business Machines Corporation
    Inventors: John V. Acciaioli, Joseph A. Dalmas, Jr., Roy Hennings, Richard D. Kusel, James L. Lentz, Martin J. Marotti, Roland Zapfe
  • Combined optical disk library with internal controller and keyboard
    Patent number: D334556
    Type: Grant
    Filed: October 31, 1990
    Date of Patent: April 6, 1993
    Assignee: International Business Machines Corporation
    Inventors: Mark A. Bolden, Jerry W. Hammar, Richard D. Kusel, Roland Zapfe, Heather L. C. Bolden
  • Optical disk/cartridge library without internal controller
    Patent number: D334919
    Type: Grant
    Filed: October 31, 1990
    Date of Patent: April 20, 1993
    Assignee: International Business Machines Corporation
    Inventors: Jerry W. Hammar, Richard D. Kusel, Roland Zapfe
  • Tape automation system
    Patent number: D357236
    Type: Grant
    Filed: April 12, 1993
    Date of Patent: April 11, 1995
    Assignee: International Business Machines Corporation
    Inventors: John V. Acciaioli, Hartmut E. Hausler, Chester D. Holden, Martin J. Marotti, Scott M. Rockwell, Terry R. Roscoe, Roland Zapfe
  • Tape automation system
    Patent number: D364152
    Type: Grant
    Filed: September 12, 1994
    Date of Patent: November 14, 1995
    Assignee: International Business Machines Corporation
    Inventors: John V. Acciaoli, Hartmut E. Hausler, Chester D. Holden, Martin J. Marotti, Scott M. Rockwell, Terry R. Roscoe, Roland Zapfe
  • Storage library for a data processing system
    Patent number: D394644
    Type: Grant
    Filed: September 22, 1995
    Date of Patent: May 26, 1998
    Assignee: International Business Machines Corporation
    Inventors: John V. Acciaioli, Roland Zapfe
  • Enclosure for a computer
    Patent number: D395039
    Type: Grant
    Filed: March 18, 1997
    Date of Patent: June 9, 1998
    Assignee: International Business Machines Corporation
    Inventors: Tim Kerry Murphy, Roland Zapfe