Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6524413 | Preservation mat board | David Wellings Pointon | 2003-02-25 |
| 6393676 | Picture frame corner clamp | David Wellings Pointen | 2002-05-28 |
| 6189252 | Picture frame corner connecting element | Vazgen Houssian | 2001-02-20 |
| 5813787 | Nib units for pens | Vazgen Houssian | 1998-09-29 |
| 5651627 | Nib conversion unit | David Wellings Pointon, Vazgen Houssian | 1997-07-29 |
| 4941520 | Formulating pasty materials | Vazgen Houssian | 1990-07-17 |
| 4731149 | Apparatus for use in spacing letters | Vazgen Houssian | 1988-03-15 |
| 4564414 | Magnetic devices, apparatus for use in connection with dry transfer sheets incorporating such devices and sheets for use therein | Vazgen Houssian | 1986-01-14 |
| 4542039 | Production of colored legends | — | 1985-09-17 |
| 4539759 | Apparatus for use with dry transfer lettering sheets | Vazgen Houssian | 1985-09-10 |
| 4513511 | Layout boards | Vazgen Houssian | 1985-04-30 |
| 4440590 | Manufacture of signs | Ronald Collins, Brian J. Smith, Geoffrey Richard Taylor | 1984-04-03 |
| 4364184 | Indicia alignment device | — | 1982-12-21 |
| 4232452 | Apparatus for use in connection with dry transfer lettering and analogous sheets | Vazgen Houssian | 1980-11-11 |