35 Matching Results

Search Results

Results: 1 - 24 next

Combined Wire and Wireless Telephone System.

Description: Patent for a combined wire and wireless telephone system that allows 2 people who are calling through two different central operating stations to talk to each other even though there is no wire directly between the 2 parties, through the use of a wireless system.
Date: June 27, 1911
Creator: Johnson, Maurice Bernays
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Wireless-Telephone System.

Description: Patent for a wireless telephone system that does not require the user to flip a switch in between receiving and sending a message.
Date: June 27, 1911
Creator: Johnson, Maurice Bernays
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Spark-Plug

Description: Patent for a spark plug that has a cooling method for keeping the porcelain section from cracking and a better way of keeping it clean.
Date: June 27, 1911
Creator: Harpst, Fred E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Spark-Gap Muffler.

Description: Patent for a spark gap muffler that muffles the sound of a spark jumping a gap between wires in wireless telephone and telegraph systems.
Date: June 27, 1911
Creator: Johnson, Maurice Bernays
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Separator.

Description: Patent for a separator for separating hulls from kernels of seeds.
Date: June 27, 1911
Creator: Richmond, George E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
Back to Top of Screen