Patents UK :: Number of documents found: 2
(8290) Rolling Ball Patent no. 3164
- Author: Congreve :: Year Vol (No) Month (or Chapter/Auction item): 1808 :: Pages: 14 pagesw
- Comments and/or Abstract >
(8293) Rolling ball free pendulum impulsing device
- Author: Parris' E. G. :: Year Vol (No) Month (or Chapter/Auction item): 1947 :: Pages: 8 pages
- Comments and/or Abstract >