Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 5953947 | Method and apparatus for forming a profile in a wall of a hollow cylindrical work piece Hollow cylindrical blanks of tubular stock are transformed into finished work pieces (3) in a single work stroke with a profiling tool (7) equipped with profiling rollers (30) in one tool section (8) and a die matrix (15) in another tool section (6). The ... | 09/21/1999 |
| 5301528 | Device for manufacturing toothed pulleys A device for non-cutting manufacturing of an annular part having external teeth includes a core tool that supports the blank from which the annular part is manufactured and is axially displaceable between two profiling rollers arranged diametrically oppos... | 04/12/1994 |
