Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7120943 | Air-burst drain plunger | David M. Turchik, Gerard G. Adelmeyer | 2006-10-17 |
| 6922854 | Air-burst drain plunger | David M. Turchik, Gerard G. Adelmeyer | 2005-08-02 |
| 6550074 | Air-burst drain plunger | David M. Turchik, Gerard G. Adelmeyer | 2003-04-22 |
| 5740752 | Apparatus for docking boats to each other | — | 1998-04-21 |
| 5547239 | Latch guard for center hung doors | — | 1996-08-20 |
| 5415020 | Latch guard for outwardly opening doors | — | 1995-05-16 |
| 5395145 | Latch guard for inwardly opening doors | — | 1995-03-07 |
| D352224 | Door latch guard | — | 1994-11-08 |
| 5325630 | Door hole cover | — | 1994-07-05 |
| 5234239 | Sliding window bar lock | — | 1993-08-10 |
| 5193865 | Sliding door bar lock | — | 1993-03-16 |
| 4673204 | Interlocking protective door shield | — | 1987-06-16 |
| 4492397 | Adjustable strike | — | 1985-01-08 |
| 4268075 | Lock of the dead bolt type | — | 1981-05-19 |
| 4248452 | Lock with improved provisions for withstanding forces applied to bolt | — | 1981-02-03 |