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Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
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| Number | Title | Issue Date |
| 4779711 | Brake motor with automatic adjustment The brake motor comprises an inserted piston (26) slideably mounted in a passage (24) formed in the front wall (4) of the brake piston (1) which has, near the other end (31) of the inserted piston (26), a counter-bearing surface (34) facing inward, thus e... | 10/25/1988 |
| 4705147 | Brake actuator with automatic adjustment The invention concerns a brake actuator with automatic adjustment incorporating a screw and nut actuator mechanism (32, 34) whose elongation is controlled by a screw and nut device with reversible pitch (44) and a unidirectional clutch (56) sensitive to t... | 11/10/1987 |
| 4326607 | Anti-rust structure of an adjust mechanism in a drum brake An anti-rusting structure of an adjust mechanism in a drum brake, which mechanism functions to compensate stroke increasing of the brake system due to wearing of the brake shoes, for preventing production of rust between an adjust bolt and an adjust nut b... | 04/27/1982 |
| 4301897 | Slack adjuster An automatic or manually adjustable slack adjuster for inclusion in a reciprocating, force transmitting mechanical mechanism that must function in a relatively maintenance free manner in a hostile, corrosive atmosphere. The adjuster, while utilizing the r... | 11/24/1981 |
