Drilling machine
Description
FIG. 1 is a right side elevational view of a drilling machine showing my new design;
FIG. 2 is a left side elevational view;
FIG. 3 is a front elevational view;
FIG. 4 is a rear elevational view;
FIG. 5 is a top plan view;
FIG. 6 is a bottom plan view; and,
FIG. 7 is a perspective view thereof.
FIG. 7 has been drawn on an enlarged scale with respect to FIGS. 1-6.
Referenced Cited
Patent History
Patent number: D331246
Type: Grant
Filed: Jul 24, 1990
Date of Patent: Nov 24, 1992
Inventor: Ruey-Zon Chen (Tali Hsiang, Taichung)
Primary Examiner: Donald P. Walsh
Assistant Examiner: Antoine D. Davis
Law Firm: Bacon & Thomas
Application Number: 7/556,482
Type: Grant
Filed: Jul 24, 1990
Date of Patent: Nov 24, 1992
Inventor: Ruey-Zon Chen (Tali Hsiang, Taichung)
Primary Examiner: Donald P. Walsh
Assistant Examiner: Antoine D. Davis
Law Firm: Bacon & Thomas
Application Number: 7/556,482
Classifications
Current U.S. Class:
Drilling (7) (D15/132)