Patents by Inventor Richard William Pfeiffer

Richard William Pfeiffer 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).

  • Capsule
    Patent number: D943411
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: February 15, 2022
    Assignee: Comcast Cable Communications, LLC
    Inventors: Ellen Tave Glassman, Min Chul Song, Richard William Pfeiffer, Michael Boylan
  • Capsule
    Patent number: D944082
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: February 22, 2022
    Assignee: Comcast Cable Communications, LLC
    Inventors: Ellen Tave Glassman, Min Chul Song, Richard William Pfeiffer, Michael Boylan
  • Capsule
    Patent number: D953856
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: June 7, 2022
    Assignee: Comcast Cable Communications, LLC
    Inventors: Ellen Tave Glassman, Min Chul Song, Richard William Pfeiffer, Michael Boylan
  • Capsule
    Patent number: D953857
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: June 7, 2022
    Assignee: Comcast Cable Communications, LLC
    Inventors: Ellen Tave Glassman, Min Chul Song, Richard William Pfeiffer, Michael Boylan
  • Capsule
    Patent number: D957248
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: July 12, 2022
    Assignee: Comcast Cable Communications, LLC
    Inventors: Ellen Tave Glassman, Min Chul Song, Richard William Pfeiffer, Michael Boylan
  • Capsule
    Patent number: D957249
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: July 12, 2022
    Assignee: Comcast Cable Communications, LLC
    Inventors: Ellen Tave Glassman, Min Chul Song, Richard William Pfeiffer, Michael Boylan