Did You Know...
...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.
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| Number | Title | Issue Date |
| 7197825 | Razors and shaving cartridges with guard A shaving blade unit includes a plastic housing having a front portion and a rear portion and two side surfaces extending from the front portion to the rear portion. The housing has a length extending from one side surface to the other side surface. Positioned betwe... | 04/03/2007 |
| 6935032 | Razor cartridge A razor cartridge is provided that includes a subframe, a frame, and one or more razor blades attached to the frame. The frame includes a cap, a forward end, and a cap end. The frame is mounted on coengaging bearing surfaces on the frame and the subframe to pivot ab... | 08/30/2005 |
| 6249973 | Thinning razor A mechanical thinning razor includes a shank, a handle, a blade, a bladeguard, a driving member and a sliding member. When pushing an external surface of the driving member toward a hollow midsection of the shank, the bevel of the driving member forces th... | 06/26/2001 |
| 6094820 | Razor comb blade unit A blade unit for a razor comb which can be used equally in two hair cutting directions is disclosed. The blade unit comprises a blade and a blade holder partially housing the blade. The blade holder has two edges, both of which are provided with a plurali... | 08/01/2000 |
| 5620454 | Guarded surgical scalpel This invention relates to an improved guarded surgical scalpel having a movable guard that can be retracted to expose the blade and that can be extended to cover the sharp cutting edge of the blade. The guard is telescopically mounted inside the blade han... | 04/15/1997 |
| 4813131 | Retractable blade safety razor A safety razor comprises a pivotal cap member which in a first position is effective to obscure the cutting edge of the blade or blade members to protect the cutting edge from contact with other objects. The cap member when pivoted to a second position ex... | 03/21/1989 |
| 4715120 | Razors, and shaving units for razors A razor blade assembly which comprises at least one blade secured to a blade platform, a top cap covering the blade, a handle and a guardbar, the blade and blade platform being pivotally movable relative to the top cap between a shaving position in which ... | 12/29/1987 |
| 4663841 | Hair trimming tool A hair trimming tool having means to adjust the cutting depth. The invention is a lightweight, compact, adjustable, razor blade type, hand-held hair trimmer tool having a stationary base member for removably affixing a standard safety razor blade and a sl... | 05/12/1987 |
| 4501067 | Razors and shaving units for razors A razor blade assembly, in the form of a razor or shaving unit, comprises a top cap 114, a razor blade 113 fixed relative to the top cap, and a guardbar 115 which is pivotally movable relative to the blade from a shaving position, in which the blade is ex... | 02/26/1985 |
| 4345374 | Razor with means to adjust blade geometry A razor blade unit has a blade member, a guard member located forward of the exposed edge of the blade member, and integral adjusting mechanism operable independently of the razor handle for changing the positioning of the blade and guard members relative... | 08/24/1982 |
| 4319399 | Straight edge razor A straight edge or barber razor having a blade operating lever useful to move the blade from an exposed or operating position to a closed or safe position.... | 03/16/1982 |
| 4302876 | Razor blade with inclined edge A tandem edge razor blade cartridge has two blades with edge portions bearing cutting edges that are in a spaced-apart, parallel relationship. One of the blades has a major portion, behind the edge portion, bent at a substantial angle to the edge portion,... | 12/01/1981 |
| 4300285 | Safety razor with blade cleaning means A safety razor having a retractable blade member. The safety razor has a platform integral with the handle portion of the razor and provided with a recess formed in the upper surface thereof, a blade support member movably received by the recess of the pl... | 11/17/1981 |
| 4241500 | Razor with adjustable blade positioning A safety razor incorporates an apparatus for substantially vertical displacement of a blade carrier and the shaving edge carried thereby with respect to a skin guard. The blade carrier includes a circular hub retained by a circular receiving portion of a ... | 12/30/1980 |
