Patents by Inventor Maarten W. van Lelyveld

Maarten W. van Lelyveld 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).

  • Electric clock
    Patent number: D318018
    Type: Grant
    Filed: July 7, 1988
    Date of Patent: July 9, 1991
    Assignee: U.S. Philips Corporation
    Inventor: Maarten W. van Lelyveld
  • Electric clock
    Patent number: D318019
    Type: Grant
    Filed: June 9, 1988
    Date of Patent: July 9, 1991
    Assignee: U.S. Philips Corporation
    Inventor: Maarten W. van Lelyveld
  • Travel alarm clock
    Patent number: D320163
    Type: Grant
    Filed: July 18, 1989
    Date of Patent: September 24, 1991
    Assignee: U.S. Philips Corporation
    Inventors: Saskia H. P. M. Dingelstad, Maarten W. van Lelyveld
  • Clock housing
    Patent number: D320351
    Type: Grant
    Filed: July 18, 1989
    Date of Patent: October 1, 1991
    Assignee: U.S. Philips Corporation
    Inventors: Saskia H. P. M. Dingelstad, Maarten W. van Lelyveld