Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8341905 | Positioning plate for foundation anchor bolt | Ken Macchiaverna | 2013-01-01 |
| 7793673 | Star, constellation, and planet finder | — | 2010-09-14 |
| 5871076 | Coin handling apparatus protection device | Nathan M. Turk | 1999-02-16 |
| 5826853 | Post protector | Albert F. Diaz | 1998-10-27 |
| 5818917 | Secure guard for coin-return-bucket window of payphone guard wrap | Albert F. Diaz | 1998-10-06 |
| 5787158 | Smart bucket | Albert F. Diaz | 1998-07-28 |
| 5727054 | Anti-stuffing coin return assembly | Albert F. Diaz | 1998-03-10 |
| 5526412 | Dial assembly terminalgard | Albert F. Diaz, Nathan M. Turk | 1996-06-11 |
| 5509057 | Telephone body guard armor | Albert F. Diaz, Nathan M. Turk | 1996-04-16 |
| 5473678 | Coin return mechanism protecter | Albert F. Diaz, Nathan M. Turk | 1995-12-05 |
| 5361979 | Change return protection device | Nathan M. Turk | 1994-11-08 |
| 5291981 | Coin bucket change return and bank box protection device | Nathan M. Turk | 1994-03-08 |
| D335876 | Wrist support for a keyboard | Edward A. Rauch | 1993-05-25 |
| 5102038 | Change return protection device | Nathan M. Turk | 1992-04-07 |
| 4966325 | Change return protection device | Nathan M. Turk | 1990-10-30 |
| 4946095 | Change return protection device | Nathan M. Turk | 1990-08-07 |