Patents
- U.S. Patent 1,846,105 (B-21)
- U.S. Patent 2,089,603 (C-35)
- U.S. Patent 2,247,170
- U.S. Patent 2,802,047
- U.S. Patent 2,851,794 (CD-57)
- U.S. Patent 3,083,263
- U.S. Patent 3,485,948
Read more about this topic: Boris Hagelin
Patents
Read more about this topic: Boris Hagelin