Rotary mining bit

Details Rotary mining bit Rotary mining bit

1998-10-08

2000-09-05

Morris, Sandra L.

Machines not elsewhere specified

Agricultural or construction machinery

Drilling, mining, or soil treatment

D15139, 1504

Patent

active

D04305787

REFERENCES:
patent: D273390 (1984-04-01), Lassiter
patent: D340248 (1993-10-01), Brady
patent: D351174 (1994-10-01), Brady
patent: 2650071 (1953-08-01), Rassieur
patent: 3131779 (1964-05-01), Rowley et al.
patent: 4711312 (1987-12-01), Leibee et al.
patent: 4819748 (1989-04-01), Truscott
patent: 4852671 (1989-08-01), Southland
patent: 5025874 (1991-06-01), Barr et al.
patent: 5180022 (1993-01-01), Brady
patent: 5429199 (1995-07-01), Sheirer et al.

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