Celebrity Inventors
Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4975676 | Glass membrane touch-controlled circuit apparatus for voltage selection A glass membrane touch-controlled circuit apparatus for voltage selection. The apparatus has a flexible glass membrane which is spaced by a dielectric layer adhesively joined between the upper flexible glass membrane and a lower, rigid support layer. Cond... | 12/04/1990 |
