Bolt, nut, and wrench in taper design for turning the bolt and the nut
A Petty patent application filed on 10 September 1998 credited to Zhang, Zhen-hai
Details
Application number :
90605
Application type :
Petty
Application status :
CEASED
Under opposition :
No
Proceeding type :
Invention title :
Bolt, nut, and wrench in taper design for turning the bolt and the nut
Inventor :
Zhang, Zhen-hai
Agent name :
SPRUSON & FERGUSON
Address for service :
GPO Box 3898 SYDNEY NSW 2001
Filing date :
10 September 1998
Associated companies :
Applicant name :
Zhang, Zhen-hai
Applicant address :
3-F1, No. 99, Sec2 Chung-Shan N. Rd. Taipei Taiwan