Jan A. De Greef

Follow

Person

Tricht, NL

People

Patents Grantslast 30 patents

Information Patent Grant
High speed mechanical weighing system
- Patent number 4,830,195
- Issue date May 16, 1989
- 501 De Greef's Wagen
- Jan A. De Greef
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Device for grading products
- Patent number 4,411,366
- Issue date Oct 25, 1983
- De Greef's Wagen-, Carrosserie- en Machinebouw B.V.
- Jan A. De Greef
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING