Famous Patents
Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 4157769 | On-site aggregate measure An on-site aggregate measure having a hopper with at least one fill level indicia representative of a predetermined measure of aggregate and including at least one opening for the introduction and emptying of aggregate together with means for emptying a f... | 06/12/1979 |
| 4141167 | Waterfowl decoy setting means A decoy set comprising an anchor, main line including at least one decoy, and a highly elastic band connected in series between the anchor and main line.... | 02/27/1979 |
| 4137801 | Combined ratchet and torsion wrench A combined ratchet and torsion wrench which in the preferred embodiment includes a drop-in drive mechanism which is a separate, integral subassembly which can be dropped into a housing in the wrench head and a push-pull operable torsion shaft positioning ... | 02/06/1979 |
| 4038960 | Arrow holder An arrow holder including a bifurcated end cooperating with a bow side or arrow rest to continuously hold an arrow in emplacement under virtually every condition including while a bow and strung arrow are being carried about in a non-shooting position, wh... | 08/02/1977 |
| 3999673 | Boat loader A boat loader including a boom and an elongate traverse arm pivotally connected to the boom. A dolly bar carried on and for movement along the length of the traverse arm includes means for attachment to a boat. According to a preferred embodiment, a U-sha... | 12/28/1976 |
| 3958289 | Canoe storage compartment A storage compartment having a geometry permitting acceptance of the compartment within a canoe, having an opening for introduction and removal of articles into and from the compartment, having a door, moveable relative to said opening between closed and ... | 05/25/1976 |
| 3955837 | Latch A latch including a handle operative only in response to a grasp-like pull. In a preferred embodiment, the handle comprises a rod bent into a general C-shape to provide a pair of ends. The handle is pivotally mounted. Operation of the handle pivots a firs... | 05/11/1976 |
