Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7938897 | Microencapsulation of biocides and antifouling agents | Ronald L. Hart, David R. Virgallito | 2011-05-10 |
| 7550200 | Microencapsulation of biocides and antifouling agents | Ronald L. Hart, David R. Virgallito | 2009-06-23 |
| 6835334 | Macrocapsules containing microencapsulated phase change materials | Danny Allen Davis, Ronald L. Hart, David R. Virgallito | 2004-12-28 |
| 6703127 | Macrocapsules containing microencapsulated phase change materials | Danny Allen Davis, Ronald L. Hart, David R. Virgallito | 2004-03-09 |
| 6111359 | Integrated HID reflector lamp with HID arc tube in a pressed glass reflector retained in a shell housing a ballast | Mark W. Fellows, Gregory J. Nelson, Kent Collins, Robertus A. J. Keyser, Andrew D. Jackson +6 more | 2000-08-29 |
| 5998939 | High frequency HID lamp system | Mark W. Fellows, Gregory J. Nelson, Robertus A. J. Keyser, Josephus C. M. Hendricx, Oscar Deurloo +3 more | 1999-12-07 |
| 5911923 | Method for microencapsulating water-soluble or water-dispersible or water-sensitive materials in an organic continuous phase | Ronald L. Hart, David R. Virgallito | 1999-06-15 |
| 5828185 | High frequency HID lamp system with lamp driven at a frequency above the audible and below the lowest lamp resonant frequency | Mark W. Fellows, Gregory J. Nelson, Robertus A. J. Keyser, Josephus C. M. Hendricx, Oscar Deurloo +3 more | 1998-10-27 |
| 5435376 | Flame resistant microencapsulated phase change materials | Ronald L. Hart | 1995-07-25 |
| 5272407 | Electric lamp having screens for reducing photo electron emission | Nancy Tillman, Daniel H. Brownell | 1993-12-21 |
| 5008133 | Method of coating a web with a coating mixture including microcapsules crushed by a back-up member | Albert J. Herbet, Ronald L. Hart | 1991-04-16 |
| 4536524 | Microencapsulated epoxy adhesive system | Ronald L. Hart, Colin E. Davis | 1985-08-20 |
| 4383197 | Metal halide arc discharge lamp having shielded electrode | W. Calvin Gungle, William M. Keeffe | 1983-05-10 |
| 4379252 | Arc discharge device containing HG196 | Stephen Johnson | 1983-04-05 |
| 4377621 | Hydrolyzed ethylene vinyl acetate encapsulating coating | Ronald L. Hart, Daniel Davis, Robert G. Bayless | 1983-03-22 |
| 4310774 | Arc discharge lamp containing scandium and scandium halide | Robert J. Karlotski | 1982-01-12 |