Patents by Inventor David D. Lewin

David D. Lewin 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).

  • Hard hat light assembly
    Patent number: D1008504
    Type: Grant
    Filed: May 4, 2021
    Date of Patent: December 19, 2023
    Assignee: Coast Cutlery Co.
    Inventors: Todd Ernst, Brian Sheehy, David D. Lewin, Song YangZhi
  • Light device with helmet strap
    Patent number: D1010941
    Type: Grant
    Filed: March 10, 2021
    Date of Patent: January 9, 2024
    Assignee: Coast Cutlery Co.
    Inventors: Todd Ernst, Brian Sheehy, David D. Lewin
  • Glasses with light
    Patent number: D1025191
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: April 30, 2024
    Assignee: Coast Cutlery Co.
    Inventors: Stephen E. Hubert, David D. Lewin
  • Headlamp
    Patent number: D1025419
    Type: Grant
    Filed: May 27, 2022
    Date of Patent: April 30, 2024
    Assignee: Coast Cutlery Co.
    Inventors: Todd Ernst, Douglas R. Hutchens, David D. Lewin, Wangda Rong, Zhongqiu Xu
  • Headlamp
    Patent number: D1026266
    Type: Grant
    Filed: May 27, 2022
    Date of Patent: May 7, 2024
    Assignee: Coast Cutlery Co.
    Inventors: Todd Ernst, Douglas R. Hutchens, David D. Lewin, Wangda Rong, Zhongqiu Xu
  • Hard hat
    Patent number: D1030149
    Type: Grant
    Filed: May 4, 2021
    Date of Patent: June 4, 2024
    Assignee: COAST CUTLERY CO.
    Inventors: Todd Ernst, Brian Sheehy, David D. Lewin
  • Flashlight
    Patent number: D1033704
    Type: Grant
    Filed: May 11, 2022
    Date of Patent: July 2, 2024
    Assignee: Coast Cutlery Co.
    Inventors: Todd Ernst, David D. Lewin
  • Headlamp light unit
    Patent number: D1041706
    Type: Grant
    Filed: May 9, 2022
    Date of Patent: September 10, 2024
    Assignee: COAST CUTLERY CO.
    Inventors: Todd Ernst, Brian Sheehy, David Goldman, David D. Lewin
  • Headlamp light unit
    Patent number: D1041707
    Type: Grant
    Filed: May 9, 2022
    Date of Patent: September 10, 2024
    Assignee: COAST CUTLERY CO.
    Inventors: Todd Ernst, Brian Sheehy, David Goldman, David D. Lewin
  • Light device
    Patent number: D1046231
    Type: Grant
    Filed: January 10, 2023
    Date of Patent: October 8, 2024
    Assignee: Coast Cutlery Co.
    Inventors: Todd Ernst, Brian Sheehy, David Goldman, David D. Lewin, Hai Rong Shi, Chao Jun Ding
  • Eyewear retainer
    Patent number: D1051212
    Type: Grant
    Filed: July 28, 2021
    Date of Patent: November 12, 2024
    Assignee: COAST CUTLERY CO.
    Inventors: Todd Ernst, David D. Lewin, Aking Peng
  • Light device
    Patent number: D1054078
    Type: Grant
    Filed: January 10, 2023
    Date of Patent: December 10, 2024
    Assignee: COAST CUTLERY CO.
    Inventors: Todd Ernst, Brian Sheehy, David Goldman, David D. Lewin, Hai Rong Shi, Chao Jun Ding
  • Lighted hard hat
    Patent number: D1064416
    Type: Grant
    Filed: May 4, 2021
    Date of Patent: February 25, 2025
    Assignee: Coast Cutlery Co.
    Inventors: Todd Ernst, Brian Sheehy, David D. Lewin
  • Light tube with sleeve
    Patent number: D1074065
    Type: Grant
    Filed: July 20, 2022
    Date of Patent: May 6, 2025
    Assignee: Coast Cutlery Co.
    Inventors: Todd Ernst, Brian Sheehy, David Goldman, David D. Lewin
  • Harness with light
    Patent number: D1074066
    Type: Grant
    Filed: July 20, 2022
    Date of Patent: May 6, 2025
    Assignee: Coast Cutlery Co.
    Inventors: Todd Ernst, Brian Sheehy, David Goldman, David D. Lewin
  • Glasses with light
    Patent number: D1096921
    Type: Grant
    Filed: March 21, 2024
    Date of Patent: October 7, 2025
    Assignee: COAST CUTLERY CO.
    Inventors: Todd Ernst, Brian Sheehy, Stephen E. Hubert, David D. Lewin
  • Flashlight
    Patent number: D1097258
    Type: Grant
    Filed: September 20, 2023
    Date of Patent: October 7, 2025
    Assignee: COAST CUTLERY CO.
    Inventors: Douglas R. Hutchens, Todd Ernst, David D. Lewin, He Shijie
  • Flashlight
    Patent number: D1097259
    Type: Grant
    Filed: June 30, 2023
    Date of Patent: October 7, 2025
    Assignee: COAST CUTLERY CO.
    Inventors: Todd Ernst, Hai Rong Shi, Chao Jun Ding, David D. Lewin
  • Headlamp
    Patent number: D1121854
    Type: Grant
    Filed: May 3, 2024
    Date of Patent: April 7, 2026
    Assignee: COAST CUTLERY CO.
    Inventors: Brian Sheehy, Todd Ernst, David D. Lewin, David Goldman, Hai Rong Shi, Chao Jun Ding
  • Battery booster unit
    Patent number: D1130288
    Type: Grant
    Filed: May 9, 2022
    Date of Patent: June 16, 2026
    Assignee: Coast Cutlery Co.
    Inventors: Todd Ernst, Brian Sheehy, David Goldman, David D. Lewin