Patents by Inventor David Johnstone

David Johnstone 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).

  • Track driven sub-base assembly
    Patent number: 9302721
    Abstract: An assembly that is configured to receive a cab assembly is described. The assembly includes an undercarriage that is configured to hold hydraulic oil. One or more utility arms are coupled to the undercarriage frame for lifting and lowering attachments coupled to the one or more utility arms. A hydraulic pump is coupled to the undercarriage frame and is configured to operate the one or more utility arms.
    Type: Grant
    Filed: November 25, 2014
    Date of Patent: April 5, 2016
    Inventor: David Johnstone
  • Track driven sub-base assembly
    Patent number: 8905165
    Abstract: An assembly that is configured to receive a cab assembly is described. The assembly includes an undercarriage that is configured to hold hydraulic oil. One or more utility arms are coupled to the undercarriage frame for lifting and lowering attachments coupled to the one or more utility arms. A hydraulic pump is coupled to the undercarriage frame and is configured to operate the one or more utility arms.
    Type: Grant
    Filed: September 6, 2013
    Date of Patent: December 9, 2014
    Inventor: David Johnstone
  • Track driven sub-base assembly
    Patent number: 8550193
    Abstract: An assembly that is configured to receive a cab assembly is described. The assembly includes an undercarriage that is configured to hold hydraulic oil. One or more utility arms are coupled to the undercarriage frame for lifting and lowering attachments coupled to the one or more utility arms. A hydraulic pump is coupled to the undercarriage frame and is configured to operate the one or more utility arms.
    Type: Grant
    Filed: August 8, 2011
    Date of Patent: October 8, 2013
    Inventor: David Johnstone
  • System for facilitating a transaction
    Patent number: 7835960
    Abstract: The present invention provides a system and method for facilitating a transaction using a secondary transaction number that is associated with a cardholder's primary account. The cardholder provides the secondary transaction number, often with limited-use conditions associated therewith, to a merchant to facilitate a more secure and confident transaction.
    Type: Grant
    Filed: June 10, 2004
    Date of Patent: November 16, 2010
    Assignee: American Express Travel Related Services Company, Inc.
    Inventors: Lydia Breck, Jessica Zoob, Glen Salow, Fred Bishop, William Schwarz, Elliot Glazer, David Johnstone, Katie Cunningham, Anant Nambiar, Jan Nunney Belt, Martin Wittwer, David Armes, Christina Chow
  • System for facilitating a transaction
    Patent number: 7627531
    Abstract: The present invention provides a system and method for facilitating a transaction using a secondary transaction number that is associated with a cardholder's primary account. The cardholder provides the secondary transaction number, often with limited-use conditions associated therewith, to a merchant to facilitate a more secure and confident transaction.
    Type: Grant
    Filed: March 7, 2001
    Date of Patent: December 1, 2009
    Assignee: American Express Travel Related Services Company, Inc.
    Inventors: Lydia Breck, Jessica Zoob, Glen Salow, Fred Bishop, William Schwarz, Elliot Glazer, David Johnstone, Katie Cunningham, Anant Nambiar, Jan Nunney Belt, Martin Wittwer, David Armes, Christina Chow
  • SYSTEM FOR FACILITATING A TRANSACTION
    Publication number: 20040210449
    Abstract: The present invention provides a system and method for facilitating a transaction using a secondary transaction number that is associated with a cardholder's primary account. The cardholder provides the secondary transaction number, often with limited-use conditions associated therewith, to a merchant to facilitate a more secure and confident transaction.
    Type: Application
    Filed: June 10, 2004
    Publication date: October 21, 2004
    Applicant: AMERICAN EXPRESS TRAVEL RELATED SERVICES COMPANY, INC.
    Inventors: Lydia Breck, Jessica Zoob, Glen Salow, Fred Bishop, William Schwarz, Elliot Glazer, David Johnstone, Katie Cunningham, Anant Nambiar, Jan Nunney Belt, Martin Wittwer, David Armes, Christina Chow
  • SYSTEM FOR FACILITATING A TRANSACTION
    Publication number: 20040210448
    Abstract: The present invention provides a system and method for facilitating a transaction using a secondary transaction number that is associated with a cardholder's primary account. The cardholder provides the secondary transaction number, often with limited-use conditions associated therewith, to a merchant to facilitate a more secure and confident transaction.
    Type: Application
    Filed: June 10, 2004
    Publication date: October 21, 2004
    Applicant: AMERICAN EXPRESS TRAVEL RELATED SERVICES COMPANY, INC.
    Inventors: Lydia Breck, Jessica Zoob, Glen Salow, Fred Bishop, William Schwarz, Elliot Glazer, David Johnstone, Katie Cunningham, Anant Nambiar, Jan Nunney Belt, Martin Wittwer, David Armes, Christina Chow
  • System for facilitating a transaction
    Publication number: 20040158532
    Abstract: The present invention provides a system and method for facilitating a transaction using a secondary transaction number that is associated with a cardholder's primary account. The cardholder provides the secondary transaction number, often with limited-use conditions associated therewith, to a merchant to facilitate a more secure and confident transaction.
    Type: Application
    Filed: February 26, 2004
    Publication date: August 12, 2004
    Inventors: Lydia Breck, Jessica Zoob, Glen Salow, Fred Bishop, William Schwarz, Elliot Glazer, David Johnstone, Katie Cunningham, Anant Nambiar, Jan Nunney Belt, Martin Wittwer, David Armes, Christina Chow