Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10800924 | Toy bubble forming composition containing glitter | — | 2020-10-13 |
| 6893488 | Fingerprint compound and method | — | 2005-05-17 |
| 6841188 | Method of developing latent fingerprints | — | 2005-01-11 |
| 6835409 | Method of recording fingerprints on a recording surface having a thermosenstivive color developing layer thereon | — | 2004-12-28 |
| 6805073 | Self contained fingerprint ink/inkless reagent applicator and recording substrate | — | 2004-10-19 |
| 6749919 | Inkless fingerprint composition and applicator therefor | — | 2004-06-15 |
| 6488750 | Inkless fingerprint compound and method | — | 2002-12-03 |
| 6298805 | Fingerprint ink dispensing apparatus | — | 2001-10-09 |
| 6027556 | Nonstaining fingerprint ink and applicator therefor | — | 2000-02-22 |
| 5919292 | Fingerprint ink | — | 1999-07-06 |
| 5737071 | Method and apparatus for enhancing live-scan fingerprint reader images | — | 1998-04-07 |
| 5395444 | Fingerprint ink dispenser | Bruce Gindelberger | 1995-03-07 |
| 4983415 | Method of making permanent images on recording surface having a thermosensitive color-developing layer thereon | Virgle L. Hedgcoth | 1991-01-08 |
| 4917987 | Method of enhancing the resolution of a fingerprint image in a fingerprint recording system | Virgle L. Hedgcoth | 1990-04-17 |
| 4705299 | Plastic identity card capable of providing an inkless fingerprint and method of developing inkless prints on plastic card | Virgil Hedgcoth | 1987-11-10 |
| 4702194 | Fingerprint card holder | Timothy Martin | 1987-10-27 |