U.S. patents available from 1976 to present.
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...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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Class 172/13 - LAWN EDGER


Subclass of Class 172 - Earth working
Definition: Apparatus comprising means other than a scraper specially
No. of applications: 7
Last issue date: 05/08/2008


Application No.Application TitleIssue Date
20080105445MODULAR LANDSCAPER
A modular landscaper uses oversized wheels to generate torque for turning one or more of several interchangeable modular landscape maintenance attachments. The landscaper provides a handle configured in relationship to the landscaper frame to allow an adult to normally ...
05/08/2008
20080066935Hydraulic lift rolling basket structure for a tillage implement
Rolling basket structure facilitating movement of the rolling device to and from a field-working position includes arm structure pivotally connected to the aft end of tine support members fixed to the rear of the implement frame. Hydraulic cylinders connected between th...
03/20/2008
20070101584Head cover trimming system
A head cover trimming system for trimming around a ground level head cover includes a head cap and a grass trimmer assembly. The head cap is provided on the head cover and includes a centering member. The grass trimmer assembly includes a head member having a peripheral...
05/10/2007
20070094876Head cover trimming system
A head cover trimming system for trimming around a ground level head cover includes a head cap and a grass trimmer assembly. The head cap is provided on the head cover and includes a centering member. The grass trimmer assembly includes a head member having a peripheral...
05/03/2007
20060076151Sprinkler head cleaner
A device for trimming around sprinkler heads which is engageable with a line trimmer. The device has a predetermined size and comprises a cylindrical dome shaped member having a substantially flat upper surface portion for engagement with such line trimmer. Such cylindr...
04/13/2006
20050257940Universal, trimmer line lock system
A trimming line segment (100) is attached to a button-like, locking element (200; see FIGS. 5-8 for various embodiments) by inserting their distal tips (101) and adjacent line sections into a pair of holes (201) in the locking e...
11/24/2005
20050082069Weedevader
This weeding tool, consisting basically of a thin flat steel disk attached to and rotated by various battery, electric, or gas driven motors. The disk has short lugs protruding downward on the underside. The purpose of the lugs is to invade the surface of the soil as th...
04/21/2005
 
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