An US patent number is 5856782, Which type of US patent is it?
A. Design patent
B. Plant patent
C. Utility patent
D. software patent
An US patent number is D0365123, Which type of US patent is it?
A. Design patent
B. Plant patent
C. Utility patent
D. software patent
An US patent number is PP012835, Which type of US patent is it?
A. Design patent
B. Plant patent
C. Utility patent
D. software patent
What kinds of invent can be issued as patent?
A. New
B. Useful
C. Non-obvious
D. beautiful