Callahan; John J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Callahan; John J..The latest application filed is for "semiconductor laser assembly and packaging system".
- Callahan; John J. - Wilmington MA
- Callahan; John J. - Park Ridge IL
| Patent | Date |
|---|---|
| Semiconductor laser assembly and packaging system Grant 10,686,293 - Bean , et al. | 2020-06-16 |
| Semiconductor Laser Assembly And Packaging System App 20170093122 - Bean; David M. ; et al. | 2017-03-30 |
| Semiconductor laser assembly and packaging system Grant 9,537,284 - Bean , et al. January 3, 2 | 2017-01-03 |
| Semiconductor Laser Assembly And Packaging System App 20140322840 - Bean; David M. ; et al. | 2014-10-30 |
| Semiconductor laser assembly and packaging system Grant 8,811,439 - Bean , et al. August 19, 2 | 2014-08-19 |
| Handheld laser device Grant D649,636 - Bean , et al. November 29, 2 | 2011-11-29 |
| Semiconductor Laser Assembly And Packaging System App 20110122905 - Bean; David M. ; et al. | 2011-05-26 |
| Antistatic carboxyalkylated diamines Grant 3,901,715 - Callahan , et al. August 26, 1 | 1975-08-26 |
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