Propguard, Inc.
2Patents
0Active
2Granted
23Portfolio score
Filing activity: Mar 26, 1997 → Aug 10, 1999
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5759075A | Propeller guard | Performing Operations; Transporting | 10 | Expired |
| US6276974A | Switch system for preventing marine propeller injuries | Mechanical Engineering; Lighting; Heating | 9 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.