Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12291704 | Universal test device, assembly, and method | Paul E. Graham, Jeffrey Verrette, Richard T. Skiffington | 2025-05-06 |
| 11427849 | Culture medium method and device | Gregory W. Durbin, Stanley E. Charm, Richard T. Skiffington | 2022-08-30 |
| 11009446 | Plate reader observation methods and operation | Richard T. Skiffington, Robert J. Markovsky, Stanley E. Charm, Paul E. Graham, Jovo Djuragic | 2021-05-18 |
| 10988720 | Peel plate assembly | Richard T. Skiffington, Robert J. Markovsky, Byron Roberts, Stanley E. Charm, Benjamin Mathieu | 2021-04-27 |
| 10563164 | Plate reader | Richard T. Skiffington, Robert J. Markovsky, Stanley E. Charm, Paul E. Graham, Byron A. Roberts | 2020-02-18 |
| 10495563 | Plate reader observation methods and operation | Richard T. Skiffington, Robert J. Markovsky, Stanley E. Charm | 2019-12-03 |
| 9376704 | Test kit and method for detecting bacteriophage | Gregory W. Durbin | 2016-06-28 |
| 8476064 | Inhibition assay method and device for detection of antibiotics | Steven J. Saul, Martin T. Rossi | 2013-07-02 |
| 8236515 | Method for detecting ATP | Stanley E. Charm, Cheryl B. Francisco, Robert J. Markovsky, Steven J. Saul | 2012-08-07 |
| 7993871 | Sampling method and device | Richard T. Skiffington, John F. Fitchen | 2011-08-09 |
| 7897365 | Method for adjusting antibiotic sensitivity of a test culture | Steven J. Saul, Martin T. Rossi, Robert J. Markovsky | 2011-03-01 |
| 7824878 | Sensitive method for detecting low levels of ATP | Stanley E. Charm, Cheryl B. Francisco, Robert J. Markovsky, Steven J. Saul | 2010-11-02 |
| 7494781 | Sensitive method for detecting low levels of ATP | Stanley E. Charm, Cheryl B. Francisco, Robert J. Markovsky, Steven J. Saul | 2009-02-24 |
| 7229783 | Method for monitoring hygiene | Steven J. Saul, Cheryl B. Francisco, Robert J. Markovsky, Stanley E. Charm | 2007-06-12 |
| 7132249 | Method of determining allergenic food on surfaces | Stanley E. Charm, Cheryl B. Francisco, Robert J. Markovsky, Steven J. Saul | 2006-11-07 |
| 6682005 | Method of recovery of precious metals & heavy minerals | Calvin Leslie Kantonen, John Brian Nichole | 2004-01-27 |
| 4952329 | Separation of polymetallic sulphides by froth flotation | Srdjan Bulatovic | 1990-08-28 |
| 4880529 | Separation of polymetallic sulphides by froth flotation | Srdjan Bulatovic | 1989-11-14 |
| 4619814 | Process for the recovery of non-ferrous metals from sulphide ores and concentrates | Roy S. Boorman, Igor Wilkomirsky | 1986-10-28 |
| 4555361 | Method of reducing the volume of solid radioactive waste | Leo P. Buckley, Kenneth A. Burrill, Conrad D. Desjardins | 1985-11-26 |
| 4415540 | Recovery of non-ferrous metals by thermal treatment of solutions containing non-ferrous and iron sulphates | Igor Wilkomirsky, Roy S. Boorman | 1983-11-15 |
| 4372782 | Recovery of lead and silver from minerals and process residues | Roy S. Boorman, Ross Gilders | 1983-02-08 |
| 4317803 | Recovery of non-ferrous metals by thermal treatments of solutions containing non-ferrous and iron sulphates | Igor Wilkomirsky, Roy S. Boorman | 1982-03-02 |
| 4224122 | Recovery of non-ferrous metals by thermal treatment of solutions containing non-ferrous and iron sulphates | Igor Wilkomirsky, Roy S. Boorman | 1980-09-23 |