using mechano-optical means

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Patents Grantslast 30 patents

Information Patent Grant
Electronic device
- Patent number 10,671,026
- Issue date Jun 2, 2020
- LG Electronics Inc.
- Pilgoo Kang
- G02 - OPTICS
Information Patent Grant
Electronic device
- Patent number 9,869,974
- Issue date Jan 16, 2018
- LG Electronics Inc.
- Pilgoo Kang
- G02 - OPTICS
Information Patent Grant
Magnetic display for watches
- Patent number 8,514,170
- Issue date Aug 20, 2013
- Art Technology Inc.
- Donald R. Brewer
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Pin display device
- Patent number 6,625,088
- Issue date Sep 23, 2003
- Daka Development Ltd. (Hong Kong Corporation)
- Pat Y. Mah
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
3783539
- Patent number 3,783,539
- Issue date Jan 8, 1974
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
3581301
- Patent number 3,581,301
- Issue date May 25, 1971
- G08 - SIGNALLING
Information Patent Grant
3566602
- Patent number 3,566,602
- Issue date Mar 2, 1971
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS