Czajka; Ronald J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Czajka; Ronald J..The latest application filed is for "real time discount marketplace".
- Czajka; Ronald J. - Brighton MI
- Czajka; Ronald J. - Alden NY
| Patent | Date |
|---|---|
| Contact management Grant 11,163,905 - Czajka , et al. November 2, 2 | 2021-11-02 |
| Event-based directory and contact management Grant 11,074,365 - Czajka , et al. July 27, 2 | 2021-07-27 |
| Real Time Discount Marketplace App 20210209635 - Czajka; Ronald J. ; et al. | 2021-07-08 |
| Contact Management App 20200151358 - Czajka; Ronald J. ; et al. | 2020-05-14 |
| Two-way permission-based directory of contacts Grant 10,582,037 - Czajka , et al. | 2020-03-03 |
| Event-Based Directory And Contact Management App 20190392175 - Czajka; Ronald J. ; et al. | 2019-12-26 |
| Two-Way Permission-Based Directory Of Contacts App 20190297181 - Czajka; Ronald J. ; et al. | 2019-09-26 |
| Two-way permission-based directory of contacts Grant 10,397,391 - Czajka , et al. A | 2019-08-27 |
| Contact builder Grant 9,727,632 - Czajka , et al. August 8, 2 | 2017-08-08 |
| Contact Builder App 20150242490 - Czajka; Ronald J. ; et al. | 2015-08-27 |
| Contact builder Grant 9,037,645 - Czajka , et al. May 19, 2 | 2015-05-19 |
| Contact Builder App 20140019531 - Czajka; Ronald J. ; et al. | 2014-01-16 |
| Contact Builder App 20120203821 - Czajka; Ronald J. | 2012-08-09 |
| Scavenger valve attachment for inhalation sedation system mask Grant 4,219,020 - Czajka August 26, 1 | 1980-08-26 |
| Continuous Flow Anesthesia Apparatus Grant 3,739,799 - Bickford , et al. June 19, 1 | 1973-06-19 |
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