Famous Patents
The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 6269978 | Dispensing and dosing machine for dyestuffs A dispensing and dosing machine for dyestuffs includes pins having the same diameter as ducts wherein which the pins are located, the pins acting to both dispenses dyestuffs and clean the walls of the ducts.... | 08/07/2001 |
| 5911342 | Dye batching machine A dye batching machine has a dispensing head and several tanks arranged radially around the dispensing head. The tanks are connected to the dispensing head by means of Victaulic couplings. Each tank is fitted with dye measuring systems and dye mixing syst... | 06/15/1999 |
| 5042699 | Dispenser, in particular for paints A device for delivering paints comprises a housing containing a rod which is movable by a microprocessor controlled pneumatic piston, to seal both ends of a discharge duct. The pneumatic piston is activated to move the rod to open both ends of the dischar... | 08/27/1991 |
