Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8378571 | Precision mercury dispenser using wire | David W. Johnston, Gregory Zaslavsky | 2013-02-19 |
| 8206056 | Barrier system | Michael L. O'Banion | 2012-06-26 |
| 7942602 | Barrier system | Kenneth Bunk, Wendell B. Leimbach, Michael Lester O′Banion, Daniel Stafford O′Banion, Robert Somers +1 more | 2011-05-17 |
| 7812533 | Mercury dispenser, method of making mercury dispenser and method of dosing mercury into ARC discharge lamp | David W. Johnston, Richard Speer, Gregory Zaslavsky | 2010-10-12 |
| 7618157 | Tubular blue LED lamp with remote phosphor | Miguel Galvez, Maria J. Anc, Richard Speer | 2009-11-17 |
| 7052649 | Mercury dispenser for fluorescent lamps and method of dispensing | Mark W. Grossman, Alfred H. Bellows, Eric Keup | 2006-05-30 |
| 6719600 | Method for making mercury capsule for use in fluorescent lamp | Mark W. Grossman, William J. Roche | 2004-04-13 |
| 6518701 | Mercury capsule for use in a fluorescent lamp | Mark W. Grossman, William J. Roche | 2003-02-11 |
| 6260591 | Biscuit joiner | Steven D. Beamesderfer, Dennis Keith Kirk, Jr., Sean Flickenger, Richard H. Rapuano, Gregg Flender +1 more | 2001-07-17 |
| 5031883 | Apparatus for mercury refinement | Mark W. Grossman, Richard Speer | 1991-07-16 |
| 5024738 | Recovery of mercury from mercury compounds via electrolytic methods | Mark W. Grossman | 1991-06-18 |
| 5006165 | Method for mercury refinement | Mark W. Grossman, Richard Speer | 1991-04-09 |
| 4879010 | Recovery of mercury from mercury compounds via electrolytic methods | Mark W. Grossman | 1989-11-07 |
| 4855635 | Fluorescent lamp unit with magnetic field generating means | Mark W. Grossman | 1989-08-08 |
| 4839524 | Filter for isotopic alteration of mercury vapor | Mark W. Grossman | 1989-06-13 |
| 4800284 | Filter for isotopic alteration of mercury vapor | Mark W. Grossman | 1989-01-24 |
| 4789784 | Apparatus for isotopic alteration of mercury vapor | Mark W. Grossman, Rudolph V. Marcucci | 1988-12-06 |
| 4746832 | Controlling the vapor pressure of a mercury lamp | Mark W. Grossman | 1988-05-24 |
| 4698547 | Low pressure arc discharge lamp apparatus with magnetic field generating means | Mark W. Grossman, Jakob Maya | 1987-10-06 |
| 4689031 | Method for sealing arc discharge lamps | Andre C. Bouchard, Mark W. Grossman | 1987-08-25 |
| 4678550 | Obtaining accurate amounts of mercury from mercury compounds via electrolytic methods | Mark W. Grossman | 1987-07-07 |
| 4661078 | Methods for dispensing mercury into devices | Mark W. Grossman | 1987-04-28 |
| 4635502 | Rachet system for hand-held tool | — | 1987-01-13 |
| 4629543 | Method of preparing mercury with an arbitrary isotopic distribution | Mark W. Grossman | 1986-12-16 |
| 4596681 | Method of forming capsules containing a precise amount of material | Mark W. Grossman, Jakob Maya | 1986-06-24 |