|
US3282105A
|
|
Method and means for measuring degree days
|
|
US3111722A
|
|
Vent duct adapter
|
|
US3021777A
|
|
Grease extracting vent with heating means
|
|
US2748688A
|
|
Grease extracting vent
|
|
US2534633A
|
|
Battery electrolyte level indicator
|
|
US2352350A
|
|
Pressure leakage gauge
|
|
US2317230A
|
|
Regrooving tool
|
|
US2360079A
|
|
Safety razor blade sharpening device
|
|
US2379663A
|
|
Golf playing apparatus
|
|
US2288493A
|
|
Illumination means for handbags and the like
|
|
US2151623A
|
|
Apparatus for making fruit products
|
|
US2135629A
|
|
Method for making fruit products
|
|
US2081513A
|
|
Method of and apparatus for refining fruit sauces
|
|
US2077858A
|
|
Automatic battery for looms
|
|
US2081512A
|
|
Apparatus for preparing food substances
|
|
US1949133A
|
|
Door operating mechanism
|
|
US1938116A
|
|
Process of removing odors from petroleum distillates
|
|
US1627466A
|
|
Method of preparing food substances
|
|
US1428993A
|
|
Art of core making
|
|
US1523843A
|
|
Machine for preparing food compounds
|
