Issued Patents All Time
Showing 51–74 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7069819 | Air motor socket wrench with quick socket release and muffler | David Albertson | 2006-07-04 |
| D521824 | Socket drive assembly | David Albertson | 2006-05-30 |
| D520829 | Combined wrench, pliers and screw driver | — | 2006-05-16 |
| D511279 | Combined hammer and adjustable jaw wrench | — | 2005-11-08 |
| D503322 | Combined pliers and movable jaw wrench | — | 2005-03-29 |
| D297235 | Combined telephone, coin box and support therefor | — | 1988-08-16 |
| 4711367 | Trash container | — | 1987-12-08 |
| D289159 | Coin operated box telephone unit | — | 1987-04-07 |
| 4645876 | Pay telephone | — | 1987-02-24 |
| D287966 | Coin-operated telephone box | — | 1987-01-27 |
| 4589376 | Vapor introduction system for internal combustion engine | — | 1986-05-20 |
| 4511119 | Adjustable valve assembly | — | 1985-04-16 |
| 4475530 | Heating apparatus | — | 1984-10-09 |
| D271860 | Sediment indicator | — | 1983-12-20 |
| 4390049 | Apparatus for reciprocating liquid in a cooling system of an internal combustion engine | — | 1983-06-28 |
| 4378034 | Method of cleaning, and filling liquid accommodating apparatus | — | 1983-03-29 |
| D268050 | Forced air waste oil incinerator | — | 1983-02-22 |
| D267897 | Forced air waste oil incinerator | — | 1983-02-08 |
| 4363314 | Heating apparatus | — | 1982-12-14 |
| 4333826 | Sediment indicator for liquid circulatory system | — | 1982-06-08 |
| D261607 | Ratchet wrench fulcrum ring | — | 1981-11-03 |
| 4276914 | Cleaning apparatus and method | — | 1981-07-07 |
| 4271016 | Sediment indicator for liquid circulatory system | — | 1981-06-02 |
| D255978 | Ratchet wrench lever | — | 1980-07-22 |