Patents by Inventor William B. MacKrell

William B. MacKrell 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).

  • Beverage dispenser
    Patent number: D251564
    Type: Grant
    Filed: February 11, 1977
    Date of Patent: April 10, 1979
    Assignee: The Cornelius Company
    Inventor: William B. MacKrell
  • Beverage dispensing machine
    Patent number: D256376
    Type: Grant
    Filed: February 14, 1978
    Date of Patent: August 12, 1980
    Assignee: The Cornelius Company
    Inventor: William B. MacKrell
  • Cup filling compartment for a beverage dispensing machine
    Patent number: D256377
    Type: Grant
    Filed: February 14, 1978
    Date of Patent: August 12, 1980
    Assignee: The Cornelius Company
    Inventor: William B. MacKrell
  • Beverage dispenser valve
    Patent number: D261391
    Type: Grant
    Filed: February 8, 1980
    Date of Patent: October 20, 1981
    Assignee: The Cornelius Company
    Inventors: Walter E. Ranua, William B. Mackrell
  • Beverage dispenser
    Patent number: D269517
    Type: Grant
    Filed: March 23, 1981
    Date of Patent: June 28, 1983
    Assignee: The Cornelius Company
    Inventors: James D. Vogel, William B. MacKrell
  • Beverage dispensing valve
    Patent number: D271270
    Type: Grant
    Filed: August 31, 1981
    Date of Patent: November 8, 1983
    Assignee: The Cornelius Company
    Inventors: Forrest L. Austin, William B. Mackrell
  • Beverage dispensing valve
    Patent number: D271271
    Type: Grant
    Filed: August 31, 1981
    Date of Patent: November 8, 1983
    Assignee: The Cornelius Company
    Inventors: Forrest L. Austin, William B. Mackrell
  • Beverage dispensing valve
    Patent number: D271272
    Type: Grant
    Filed: August 31, 1981
    Date of Patent: November 8, 1983
    Assignee: The Cornelius Company
    Inventors: Forrest L. Austin, William B. Mackrell
  • Beverage dispensing valve
    Patent number: D271273
    Type: Grant
    Filed: August 31, 1981
    Date of Patent: November 8, 1983
    Assignee: The Cornelius Company
    Inventors: Forrest L. Austin, William B. Mackrell
  • Beverage dispensing valve
    Patent number: D271368
    Type: Grant
    Filed: February 5, 1982
    Date of Patent: November 15, 1983
    Assignee: The Cornelius Company
    Inventors: Terrance G. Belland, William B. MacKrell, Walter E. Ranua
  • Actuator handle for a beverage dispensing valve
    Patent number: D271558
    Type: Grant
    Filed: February 5, 1982
    Date of Patent: November 29, 1983
    Assignee: The Cornelius Company
    Inventors: Terrance C. Belland, William B. Mackrell