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 |
| 4137817 | Blind rivet with recessed expanding head A blind rivet comprising a sleeve with a preformed rivet head at one end, and a setting pin telescoped into the sleeve and having a pulling section projecting beyond the headed end of the sleeve and an expanding head projecting beyond the other end of the... | 02/06/1979 |
| 4089249 | Hole filling blind rivet In this blind rivet, the sleeve is counterbored from the rear end, and has interior axial splines forward of the counterbore. The bulb-forming lugs project laterally from a shoulder portion of the mandrel that has a diameter sufficiently great to collapse... | 05/16/1978 |
| 4085651 | Plastic fastener A plastic fastener, for example, a one-piece plastic rivet having a head and a bifurcated oval shank and expander means capable of axial movement within a tapered bore traversing the head and shank. Each portion of the shank has a longitudinally disposed ... | 04/25/1978 |
| 4083289 | Plastic fastener A plastic fastener, for example, a one-piece plastic rivet, having a head and a bifurcated oval shank and expander means capable of axial movement within a tapered bore traversing the head and shank. Each portion of the shank has a longitudinally disposed... | 04/11/1978 |
| 4074608 | Blind spacer fastener Blind fastening means for fastening thin materials together without crushing them. Such means comprises a blind rivet sleeve, a blind rivet pin provided with a head to engage the blind end of the sleeve, and spacing means provided intermediate the blind e... | 02/21/1978 |
| 4046053 | Blind rivet A blind rivet for fastening apertured sheets comprises a tubular shell having a head at one end, and a mandrel having an enlarged head which when pulled into the bore of the shell deforms the shell to produce a blind head. The mandrel has a breaker groove... | 09/06/1977 |
| 3999339 | Methods and means for securing door frames in openings therefor Improved means for and methods of removably fastening door frames into door openings where the door opening is defined by masonry construction, concrete columns and the like (not wood).... | 12/28/1976 |
| 3964364 | Initially single piece rotatable fastener A fastener for joining sheet material having mating perforations, the fastener including a grommet and stud; the grommet having a head provided with an opening therethrough and a pair of spreadable stem elements; the stud being initially attached at one e... | 06/22/1976 |
| 3941027 | Fastener system for structural members An improved fastener system is derived for cold working the surfaces defining aligned fastener holes in structural members and installing fasteners therein. Essentially, an integral fastener and mandrel construction facilitates the insertion of a sleeve i... | 03/02/1976 |
| 3937123 | Blind fastener with shear washer A blind fastener wherein a push-pull type setting tool is employed for pulling a stem into a predetermined position relative to a sleeve, and a two element shear washer is provided to fail at a predetermined shear load as created by the compressive load o... | 02/10/1976 |
