B63B 5/22

With reinforcing members external to shell

Official title: with reinforcing members external to shell

B63B5/22 (With reinforcing members external to shell) appears on 3 US grants and 5 published applications in this corpus.

Search patents in B63B
Granted patents
3
Published applications
5
Assignees
7
Inventors
11
Latest grant
5 Dec 2023