Peter L. Graham
9Patents
9h-index
9Co-inventors
54Inventor score
Filing activity: Mar 7, 1989 → Apr 24, 1995
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5100394A | Pre-slit injection site | Human Necessities | 388 | Expired |
| US5211638A | Pre-slit injection site | Human Necessities | 291 | Expired |
| US5411499A | Needleless vial access device | Human Necessities | 209 | Expired |
| US5776125A | Needleless vial access device | Human Necessities | 145 | Expired |
| USD321250S | Cannula | General | 141 | Expired |
| US5601711A | Selective separation filter device | Performing Operations; Transporting | 90 | Expired |
| USD327318S | Locking cannula | General | 67 | Expired |
| USD321252S | Locking cannula | General | 63 | Expired |
| US5495855A | Blood sampling unit with protected needle and a method for sampling blood | Human Necessities | 25 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.