Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7201798 | Set-delayed cement compositions comprising hydrated lime and silica and methods of cementing in subterranean formations Cement compositions for use in subterranean formations are provided. An example of a cement composition is a cement composition comprising: water, a cementitious component consisting essentially of: hydrated lime, and silica; and a dispersant. Another example of a c... | 04/10/2007 |
| 4705164 | Package for matches A match package includes a synthetic resin core in combination with cover members sandwiching the core to define a space of uniform height. The core includes partition walls dividing the space into oblong compartments. The walls are joined at one end to b... | 11/10/1987 |
| 4221289 | Match packaging The invention refers substantially to Matches and their packaging therein, with further refinements being to insure safe utilization of the packaged matches. All relevant safety features are utilized in conjunction with the use and application of these ma... | 09/09/1980 |
| 4176742 | Match carrier including frangible protrusions A matches-carrier including a support for the matches arranged in rows thereon and a friction-strip carried on the support. The support includes resilient bearing means arranged to bear on the matches and press the same against the friction-strip. Withdra... | 12/04/1979 |
| 4007829 | Safety match pack In the match pack of this invention, the ignition or striking surface is positioned on an interior wall surface of the ignition chamber which is conveniently located on the bottom portion of the match pack below the match comb or combs in the match pack. ... | 02/15/1977 |
