Robertson; John S.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Robertson; John S..The latest application filed is for "energy conversion system".
- Robertson; John S. - Portland OR
- Robertson; John S. - Freehold NJ
- Robertson; John S. - Littleton CO
- Robertson; John S. - Monmouth County NJ
Trademarks
| Patent | Date |
|---|---|
| Energy Conversion System App 20160006066 - Robertson; John S. | 2016-01-07 |
| Energy Conversion System App 20130252120 - Robertson; John S. | 2013-09-26 |
| Energy Conversion System App 20120068471 - Robertson; John S. | 2012-03-22 |
| Energy Conversion System App 20090257940 - Robertson; John S. | 2009-10-15 |
| Personal portable apparatus for use in completing a telephone call Grant 6,192,254 - Carlsen , et al. February 20, 2 | 2001-02-20 |
| Method for completing a conference with a personal communications units Grant 5,884,167 - Carlsen , et al. March 16, 1 | 1999-03-16 |
| Apparatus and method for connecting telephone calls using automated paging and call bridging Grant 5,644,626 - Carlsen , et al. July 1, 1 | 1997-07-01 |
| Air filtration media Grant 5,607,491 - Jackson , et al. March 4, 1 | 1997-03-04 |
| Telephone call connection method with automated paging and call bridging Grant 5,608,782 - Carlsen , et al. March 4, 1 | 1997-03-04 |
| Air filtration media Grant 5,480,466 - Jackson , et al. January 2, 1 | 1996-01-02 |
| Telecommunications network architecture and system Grant 5,473,677 - D'Amato , et al. December 5, 1 | 1995-12-05 |
| Preparation of catalyst supports and materials produced thereby Grant 4,581,338 - Robertson , et al. April 8, 1 | 1986-04-08 |
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