Author:Bornett L. Bobroff
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U.S. Patents
- US1144290, Telegraphy
- US1149245, a Vehicle Signal Apparatus
- US1157839, Telegraphy.
- US1162442, a Vehicle signal apparatus.
- US1267504, an Electrically-controlled voting-machine.(transcription project)
- US1281901, a Registering Apparatus for Voting or the like. (transcription project)
- US1289623, a Quick-break switch
- US1298871 an Indicating device. (transcription project)
- US1328613, an Indicating device for voting-machines (transcription project)
- US1358134, an Electrical Signaling Apparatus
- US1367583, a System for signaling
- US1751972, a Hospital signaling system
- US1761867, a Push button
- US1775585, a Switch for signaling systems
- US1825991, a Switch for signaling systems
- US1829037, a Switch for signaling systems
- US1826501, a Signaling system
- US1867134, a Hospital signaling system
- US1872395, a Switch construction for signaling systems
- US1886078, a Switch for signaling systems for vehicles
- US1886519, a Switch for signaling systems for automotive vehicles
- US1909040, a Signal switch construction for automotive vehicles
- US1921149, a Hostital indicator
- US1969116, a Signaling device
- US1981302, a Signal light for automotive vehicles
- US1984628, a Signal switch construction for automotive vehicles
- US2005714, a Signaling device
- US2011966, an Automatically released direction switch for automotive vehicles
- US2015917, a Signal light for automotive vehicles
- US2057000, a Switch construction for automotive vehicles
- US2269512, a Switch construction for automotive vehicles
U.S. Design Patents
- USD81864, a vehicle tail lamp
- USD113371, a Signal Lamp for Automotive Vehicles
Some or all works by this author are in the public domain in the United States because they were published before January 1, 1930.
This author died in 1945, so works by this author are in the public domain in countries and areas where the copyright term is the author's life plus 79 years or less. These works may be in the public domain in countries and areas with longer native copyright terms that apply the rule of the shorter term to foreign works.
Public domainPublic domainfalsefalse
