Issued Patents All Time
Showing 25 most recent of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12268779 | Ophthalmic emulsion | Howard Allen Ketelson | 2025-04-08 |
| 11708550 | Method and apparatus for treating and producing non-wine alcoholic beverages with reduced noxious constituents | Howard Allen Ketelson | 2023-07-25 |
| 11690802 | Ophthalmic emulsion | Howard Allen Ketelson | 2023-07-04 |
| 11672820 | Ophthalmic compositions with improved dessication protection and retention | James W. Davis, Howard Allen Ketelson, Elaine E. Campbell, Rekha Rangarajan | 2023-06-13 |
| 11376275 | Ophthalmic compositions with improved dessication protection and retention | James W. Davis, Howard Allen Ketelson, Elaine E. Campbell, Rekha Rangarajan | 2022-07-05 |
| 11319124 | Beverage filtration device | Derek B. Meadows | 2022-05-03 |
| 11234929 | Ophthalmic emulsion | Howard Allen Ketelson | 2022-02-01 |
| 10828320 | Ophthalmic compositions with improved dessication protection and retention | James W. Davis, Howard Allen Ketelson, Elaine E. Campbell, Rekha Rangarajan | 2020-11-10 |
| 10624848 | Ophthalmic emulsion | Howard Allen Ketelson | 2020-04-21 |
| 10611989 | Treatment of beverages to reduce the effects of noxious constituents | Howard Allen Ketelson | 2020-04-07 |
| D870510 | Beverage treatment device | Derek B. Meadows | 2019-12-24 |
| 10328025 | Ophthalmic emulsion | Howard Allen Ketelson | 2019-06-25 |
| 10004685 | Ophthalmic emulsion | Howard Allen Ketelson | 2018-06-26 |
| 9670442 | Treatment of beverages to reduce the effects of noxious constituents | Howard Allen Ketelson | 2017-06-06 |
| D753952 | Beverage treatment device | Derek B. Meadows, Morgan Beeson | 2016-04-19 |
| D753953 | Beverage treatment wand | Morgan Beeson, Robert Sawler | 2016-04-19 |
| 9259472 | Polymeric artificial tear system | Howard Allen Ketelson, James W. Davis | 2016-02-16 |
| 9175249 | Ethyleneoxide butyleneoxide block copolymer compositions | James W. Davis, Howard Allen Ketelson | 2015-11-03 |
| 8846641 | Stabilized ophthalmic galactomannan formulations | Howard Allen Ketelson, James W. Davis | 2014-09-30 |
| 8685945 | Polymeric artificial tear system | Howard Allen Ketelson, James W. Davis | 2014-04-01 |
| 8536325 | Process for purifying guar | James W. Davis, Howard Allen Ketelson, John C. Baker | 2013-09-17 |
| 8257745 | Use of synthetic inorganic nanoparticles as carriers for ophthalmic and otic drugs | Howard Allen Ketelson | 2012-09-04 |
| 8097270 | Use of nanoparticles as carriers for biocides in ophthalmic compositions | Howard Allen Ketelson, Nissanke L. Dassanayake, Thomas Christopher Carey | 2012-01-17 |
| 7871602 | Use of bis-amines to enhance the antimicrobial activity of aqueous compositions | Nissanke L. Dassanayake, Thomas Christopher Carey, Ronald L. Schlitzer | 2011-01-18 |
| 7445771 | Use of bis-amines to enhance the antimicrobial activity of aqueous compositions | Nissanke L. Dassanayake, Thomas Christopher Carey, Ronald L. Schlitzer | 2008-11-04 |