William C. Caldwell
5Patents
3h-index
5Co-inventors
50Inventor score
Filing activity: Dec 16, 1988 → Jul 9, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4935825A | Cylinder defect management system for data storage system | Physics | 39 | Expired |
| US5495408A | Method and apparatus for signal tracking using feedback control loop | Physics | 4 | Expired |
| US6556167B1 | Direct acquisition of very large PN sequences in GPS systems | Electricity | 3 | Expired |
| US8328141B2 | Apparatus and method for stowing suspension lines | Performing Operations; Transporting | 2 | Active |
| US6369752B1 | Direct acquistion of very large PN sequences in GPS systems | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.