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 |
| 3989951 | Wave energy power generating breakwater A breakwater apparatus for generating electrical power by extracting energy from sea waves. A novel array of subsurface fixed-position flexible-walled pneumatic bags or cells, in a closed cycle system, react to surface-wave-correlated static pressure vari... | 11/02/1976 |
| 3988592 | Electrical generating system An electrical generating system in which a hermetically sealed flotation sphere, preferably constructed of plastic, is anchored to a sea bed. The sphere carries a circumferential fender on the outside thereof in which is located a plurality of screws open... | 10/26/1976 |
| 3983404 | Surf-turbine generating system An electrical generator is powered by the kinetic energy in ocean waves breaking at the shore. Waves are directed up an inclined surface through which an intake port is defined at a level substantially below the average wave height and extending across th... | 09/28/1976 |
| 3934964 | Gravity-actuated fluid displacement power generator A plurality of piston-sealed cylinders are secured in oppositely disposed units in spaced relationship to each other about the circumference of a rotational member having substantially horizontal axes of rotation. The rotational member and all cylinders a... | 01/27/1976 |