Zuhlke Engineering AG
4Patents
0Active
4Granted
24Portfolio score
Filing activity: Dec 20, 1978 → Aug 6, 1980
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4257291A | Apparatus for making holes in moving cards or the like | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4232484A | Apparatus for moving toll bars or the like | Fixed Constructions | 5 | Expired |
| US4257551A | Apparatus for preparing and processing receipts for customers of parking lots or the like | Physics | 2 | Expired |
| US4337890A | Method of preparing and processing receipts for customers of parking lots or the like | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.