Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D548465 | Matt board corner sample | — | 2007-08-14 |
| 7178282 | Decorative corner piece for connecting mitered frame sections together | — | 2007-02-20 |
| D529298 | Frame moulding | — | 2006-10-03 |
| D488570 | Frame moulding | — | 2004-04-13 |
| 6342145 | Process for manufacturing multi-colored picture frames | Ralph Archibald Jones, Ron Berhardt, David Wellings Pointon | 2002-01-29 |
| 6189417 | Picture frame assembly machine | Eugene Cox | 2001-02-20 |
| 6189252 | Picture frame corner connecting element | Martin E. Dowzall | 2001-02-20 |
| D414346 | Picture frame corner | — | 1999-09-28 |
| 5835980 | Receptacle plate | — | 1998-11-10 |
| 5813787 | Nib units for pens | Martin E. Dowzall | 1998-09-29 |
| 5806665 | Arcuate switch actuator | — | 1998-09-15 |
| 5735068 | Picture frames | — | 1998-04-07 |
| 5651627 | Nib conversion unit | Martin E. Dowzall, David Wellings Pointon | 1997-07-29 |
| 5495402 | Safety night light | — | 1996-02-27 |
| D346869 | Night light | — | 1994-05-10 |
| D346870 | Night light | — | 1994-05-10 |
| 4941520 | Formulating pasty materials | Martin E. Dowzall | 1990-07-17 |
| 4941427 | Spray booth | — | 1990-07-17 |
| 4907531 | Drawdown machines | — | 1990-03-13 |
| 4731149 | Apparatus for use in spacing letters | Martin E. Dowzall | 1988-03-15 |
| 4564414 | Magnetic devices, apparatus for use in connection with dry transfer sheets incorporating such devices and sheets for use therein | Martin E. Dowzall | 1986-01-14 |
| 4539759 | Apparatus for use with dry transfer lettering sheets | Martin E. Dowzall | 1985-09-10 |
| 4513511 | Layout boards | Martin E. Dowzall | 1985-04-30 |
| 4232452 | Apparatus for use in connection with dry transfer lettering and analogous sheets | Martin E. Dowzall | 1980-11-11 |