Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7814871 | Self-priming portable device | Christopher John Hurlstone, Stephen Philip Kirkwood | 2010-10-19 |
| 7477421 | Halftoning system | — | 2009-01-13 |
| 7144134 | Light projector | Richard J. Romano, Wallace Daniels | 2006-12-05 |
| 6817737 | Light projector | Richard J. Romano, Wallace Daniels | 2004-11-16 |
| 6209852 | Removable chain hoist position encoder assembly | David W. George, Christopher E. Guth, Ivan J. Morgan, Glenn R. Bracegirdle, Thomas G. Booth +1 more | 2001-04-03 |
| 5816690 | Compact theatrical light and method | Richard J. Romano | 1998-10-06 |
| 5626416 | Lamp module apparatus | Richard J. Romano | 1997-05-06 |
| 5622426 | Wash light and method | Richard J. Romano | 1997-04-22 |
| 4587854 | Lifting apparatus | — | 1986-05-13 |
| 4235394 | Apparatus for guiding superimposed layers of line onto and off of a power driven reel | — | 1980-11-25 |