Howard A. Zimmerman
2Patents
2h-index
3Co-inventors
37Inventor score
Filing activity: Jul 31, 1981 → May 15, 1992
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5212896A | Control system for a walk behind trencher machine | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4377914A | Vertical lift and blade control mechanism for cable plows | Emerging Cross-Sectional Technologies | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.