Johann Plockl

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Patents Grantslast 30 patents

Information Patent Grant
Method of measuring the pitch of twisted threads
- Patent number 4,008,964
- Issue date Feb 22, 1977
- Erwin Sick Optik-Elektronik
- Johann Plockl
- G01 - MEASURING TESTING
Information Patent Grant
Method of measuring the pitch angle of yarns provided with a twist
- Patent number 3,985,451
- Issue date Oct 12, 1976
- Erwin Sick Optik-Elektronik
- Johann Plockl
- D07 - ROPES CABLES OTHER THAN ELECTRIC
Information Patent Grant
Apparatus and a method for reading light-dark or color-contrast cod...
- Patent number 3,970,825
- Issue date Jul 20, 1976
- Erwin Sick Optik-Elektronik
- Johann Plockl
- G06 - COMPUTING CALCULATING COUNTING