Johnson; Ralph E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Johnson; Ralph E..The latest application filed is for "light bulb with glass envelope having light transmission of a wavelength only up to 700 nm".
- Johnson; Ralph E. - Los Alamitos CA
- Johnson; Ralph E. - Champaign IL
- Johnson; Ralph E. - Convent Station NJ
- Johnson; Ralph E. - Canoga Park CA
- Johnson; Ralph E. - Rockville MD
| Patent | Date |
|---|---|
| Light bulb with glass envelope having light transmission of a wavelength only up to 700 nm Grant 7,106,002 - Lang , et al. September 12, 2 | 2006-09-12 |
| Computerized accounting system implemented in an object-oriented programming environment Grant 6,249,905 - Yoshida , et al. June 19, 2 | 2001-06-19 |
| Rechargeable miniature flashlight Grant 5,528,472 - Maglica , et al. June 18, 1 | 1996-06-18 |
| Rechargeable miniature flashlight Grant 5,455,752 - Maglica , et al. October 3, 1 | 1995-10-03 |
| Miniature flashlight with two switches Grant 5,121,308 - Maglica , et al. * June 9, 1 | 1992-06-09 |
| Rechargeable miniature flashlight Grant 5,008,785 - Maglica , et al. April 16, 1 | 1991-04-16 |
| Miniature flashlight recharger Grant D303,107 - Maglica , et al. August 29, 1 | 1989-08-29 |
| Double switch miniature flashlight Grant 4,823,242 - Maglica , et al. April 18, 1 | 1989-04-18 |
| Bobbin case retaining means Grant 4,413,579 - Johnson * November 8, 1 | 1983-11-08 |
| Rotatable loop taker and bobbin case assembly Grant 4,292,906 - Johnson October 6, 1 | 1981-10-06 |
| Feed and loop taker module for a sewing machine Grant 4,183,310 - Johnson January 15, 1 | 1980-01-15 |
| Electronically Variable Capacitance Grant 3,702,405 - Zwirn , et al. November 7, 1 | 1972-11-07 |
| Standardized Set Of Compensating Filters For Mantle-field Radiation Therapy Grant 3,678,233 - Faw , et al. July 18, 1 | 1972-07-18 |
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