Datum Holdings, LLC
8Patents
3Active
8Granted
38Portfolio score
Filing activity: Jun 5, 1998 → Dec 11, 2018
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6370629B1 | Controlling access to stored information based on geographical location and date and time | Physics | 231 | Expired |
| US6393126B1 | System and methods for generating trusted and authenticatable time stamps for electronic documents | Electricity | 65 | Expired |
| US6133800A | Subminiature microwave cavity | Electricity | 29 | Expired |
| US6377585B1 | Precision reference generation system and method | Electricity | 16 | Expired |
| US6172570A | Laser light quantum system | Physics | 7 | Expired |
| USD955868S1 | Structural gutter | General | 3 | Active |
| USD981835S1 | Bracketed structural gutter | General | 2 | Active |
| US10184504B1 | Canopy support arm assembly | Mechanical Engineering; Lighting; Heating | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.