专利检索_ .手动钻进工具专利检索_ .手动钻进工具专利检索查询

序号	专利名	申请号	申请日	公开（公告）号	公开（公告）日	发明人
261	Device for soil samples	US3123163D		US3123163A	1964-03-03

262	Excavating device	US84838359	1959-10-23	US3053331A	1962-09-11	CORLEY GALE C

263	Ground surface perforating device	US1591360	1960-03-18	US3011563A	1961-12-05	CERETTI FRANK A; SOPHIE CERETTI

264	Clam digging devices	US74719658	1958-07-08	US2987836A	1961-06-13	CARLBOM FREDRIC O

265	Material handling tool	US59747556	1956-07-12	US2891813A	1959-06-23	TOYOJIRO INAKI

266	Soil moisture probe	US57529656	1956-03-30	US2860515A	1958-11-18	BROWN PAUL L

267	Ice shaving drill bit	US64530057	1957-03-11	US2854218A	1958-09-30	HEDRICK JAMES R; LEUKUMA ALFRED A

268	Hand-held hydraulic drill	US45744154	1954-09-21	US2813517A	1957-11-19	SEDWICK GILBERT M

269	Grapple hook means	US3878648	1948-07-15	US2594908A	1952-04-29	GAULKE LOUIS H; GAULKE FRED J

270	Impact tool for making powder holes	US2571748	1948-05-07	US2574605A	1951-11-13	PELT HARRY H VAN

271	Earth auger	US8109249	1949-03-12	US2571244A	1951-10-16	HOLLANDER WILLIAM L

272	Drill rig	US60503245	1945-07-14	US2562276A	1951-07-31	KANDLE CHARLES W

273	Weighted drill for cutting postholes in rock	US9476849	1949-05-23	US2533555A	1950-12-12	CANALES JOE J

274	Hand tool	US66486746	1946-04-25	US2478894A	1949-08-16	CARLSTEN SIGURD V

275	Package	US70039846	1946-10-01	US2474120A	1949-06-21	RUMSEY JR HERBERT

276	Digging implement	US40163943	1943-06-21	US2371563A	1945-03-13	WALTER LEO N

277	Earth auger	US72325234	1934-04-30	US2021982A	1935-11-26	BYRNE JOSEPH L

278	Post hole stone picker	US68404333	1933-08-07	US2014807A	1935-09-17	JOHN KEYZER

279	Soil auger	US51932131	1931-03-02	US1877067A	1932-09-13	SHARP LESLIE T

280	Earth boring tool	US49622130	1930-11-17	US1862068A	1932-06-07	LUTHER STROSNIDER

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