Quotables
"To place a man in a multi-stage rocket and project him into the controlling gravitational field of the moon where the passengers can make scientific observations, perhaps land alive, and then return to earth--all that constitutes a wild dream worthy of Jules Verne. I am bold enough to say that such a man-made voyage will never occur regardless of all future advances."
Lee deForest, American radio pioneer ; 1957
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| Number | Title | Issue Date |
| 5491941 | Slippage controlled threaded rebar joint in reinforced concrete A rebar splice joint embedded in a reinforced concrete structure and having improved seismic resistance is made between a first rebar with an internal thread and a second rebar element having a male thread between a stop shoulder and the end of the rebar.... | 02/20/1996 |
| 5383740 | Combination mechanical/grout sleeve coupling for concrete reinforcement bars Disclosed is a combination hybrid splice sleeve which has a threaded end for making a mechanical joint with a male thread on a rebar end, and an opposite end open for receiving a second rebar, which need not be threaded, for making a grout joint between t... | 01/24/1995 |
| 5212920 | Strongback attachment system for concrete panel tilt-up construction A fastener system for temporarily securing a reinforcing beam or the like to a poured concrete structural member includes an anchor to be set in poured concrete with an exposed handle portion free of said concrete, and a shaft with a slotted end for recei... | 05/25/1993 |
