Lawrence D. Zandstra
4Patents
3h-index
6Co-inventors
47Inventor score
Filing activity: Oct 3, 1974 → Jul 17, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5073028A | Scanning densitometer | Physics | 14 | Expired |
| US3978958A | Ticket vendor | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6031617A | Scanning colorimeter with x-y drive | Physics | 7 | Expired |
| US4887808A | Compact bill acceptor | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.