Today In History
James McLean is issued a patent for a piano.
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 |
| 4776856 | Process and means for oxidized dyeing of hair using a manganese dioxide catalyst In a process for the oxidative dyeing of human or animal hair, a hair dyeing agent is prepared immediately before use from at least one oxidation dye and an oxidizing agent, applied to the hair to be dyed, and made to act for a given period of time, where... | 10/11/1988 |
| 4597683 | Apparatus for applying cosmetic preparations Apparatus for applying cosmetic preparations in liquid or paste form comprising a cylindrical casing provided with a slidable piston which divides the casing into first and second chambers which are sealed relative to one another. The first chamber contai... | 07/01/1986 |
| 4309119 | Applicator device for cosmetic preparations Applicator device for cosmetic preparations, having a closed, substantially cylindrical casing in which a piston dividing the casing into two variable-size chambers sealed from one another is displaceably disposed, the one variable-size chamber being fill... | 01/05/1982 |
| 4121735 | System for quantity-controlled spraying of a liquid active ingredient A container filled only partially with a pre-measured, exactly apportioned quantity of liquid active ingredient for one-time use closed in a pressure-tight manner by a closure made at least in part of a resilient material having self-resealing characteris... | 10/24/1978 |
| 4040975 | Foam generator for foaming liquids A foam generator for foaming liquids having two peripheral disc portions each being connected with a housing with a gas inlet to one of the housings. The housings being connected together with the peripheral disc portions forming a hollow space such that ... | 08/09/1977 |
