Inventor
JR., RONALD RICHARD DUFF
Inventor
US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B26Bprimary
B26BHand-held cutting tools not otherwise provided for60%
B05DProcesses for applying fluent materials to surfaces, in general20%
C23CCoating metallic material10%
Y10TTechnical subjects covered by former us classification10%
PatentTitleYear
12,544,946Method of treating razor blade cutting edges202611,872,713Razors and razor cartridges with colored blades202411,794,366Coatings for a razor blade202311,759,965Multi-layer coatings for a razor blade202311,691,308Razor blades with aluminum magnesium boride (AlMgB202311,654,588Razor blades2023Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2023–2026Patents assigned to GILLETTE CO LLC (6)· patent assignee history
2023–2026Based in US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GILLETTE CO LLC | 6 | 2023–2026 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 6 | 2023–2026 |