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Patent
   D280929
Priority
Oct 29 1981
Filed
Apr 28 1982
Issued
Oct 08 1985
Expiry
Oct 08 1999
Inventors
Lystager, …
Assg.orig
3M A S 15
Assg.curr
3M A/S
Entity
unknown
Referenced by
14
References
5
Maint.:
n/a
The ornamental design for a light unit for curing dental restorative materials, as shown.

FIG. 1 is a perspective view of a light unit for curing dental restorative materials showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view thereof.
INVENTORS:

Lystager, Gregers

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10398290, Jun 19 2007 FLOSHIELD, INC Device for maintaining visualization with surgical scopes
10398292, Mar 14 2013 FLOSHIELD, INC Fluid dispensing control systems and methods
11696679, Aug 04 2010 Floshield, Inc. Systems and methods for optimizing and maintaining visualization of a surgical field during the use of surgical scopes
4623795, May 24 1984 PENN-MED TECHNOLOGY, INC , A CORP OF PA Irradiating device
8888689, Jun 19 2007 FLOSHIELD, INC Systems and methods for optimizing and maintaining visualization of a surgical field during the use of surgical scopes
9050036, Jun 19 2007 FLOSHIELD, INC Device for maintaining visualization with surgical scopes
9050037, Dec 10 2008 FLOSHIELD, INC View optimizer and stabilizer for use with surgical scopes
9078562, Jan 11 2010 FLOSHIELD, INC Systems and methods for optimizing and maintaining visualization of a surgical field during the use of surgical scopes
9211059, Aug 04 2010 FLOSHIELD, INC Systems and methods for optimizing and maintaining visualization of a surgical field during the use of surgical scopes
9522017, Dec 03 2010 FLOSHIELD, INC Devices, systems, and methods for performing endoscopic surgical procedures
D469531, Mar 27 2001 Transilluminating device
D580074, Feb 20 2008 SPARTUS TECHNOLOGY LLC Firefly light emitting diode (LED)
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3943914, Aug 06 1973 Remote-recording periodontal depth probe
4273535, Dec 04 1978 Kabushiki Kaisha Morita Seisakusho Device for preventing tooth decay by laser beam irradiation and method of preventing tooth decay by use of the same
4445858, Feb 19 1982 Dentsply Research & Development Corp Apparatus for photo-curing of dental restorative materials
224312,
224709,
ASSIGNMENT RECORDS    Assignment records on the USPTO
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 19 1982LYSTAGER, GREGERS3M A S 15ASSIGNMENT OF ASSIGNORS INTEREST 0039980052 pdf
Apr 28 19823M A/S(assignment on the face of the patent)
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