arrangements for interrupting the beam during inoperative periods

This industry / category may be too specific. Please go to a parent level for more data

Industries

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Field emission device with ground electrode
- Patent number 10,438,765
- Issue date Oct 8, 2019
- Electronics and Telecommunications Research Institute
- Jin Woo Jeong
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Double grid electron gun system and method of use
- Patent number 3,934,171
- Issue date Jan 20, 1976
- GTE Laboratories Incorporated
- Rudolf G. E. Hutter
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3919598
- Patent number 3,919,598
- Issue date Nov 11, 1975
- G01 - MEASURING TESTING
Information Patent Grant
3678329
- Patent number 3,678,329
- Issue date Jul 18, 1972
- B82 - NANO-TECHNOLOGY
Information Patent Grant
3475637
- Patent number 3,475,637
- Issue date Oct 28, 1969
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
2747134
- Patent number 2,747,134
- Issue date May 22, 1956
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
1942572
- Patent number 1,942,572
- Issue date Jan 9, 1934
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
1779794
- Patent number 1,779,794
- Issue date Oct 28, 1930
- H01 - BASIC ELECTRIC ELEMENTS