Rockin’ Patent – John M A Stroh’s “Violin Or Other Stringed Instrument”

US Patent No. 644,695 - John M A Stroh - Violin Or Other Stringed Instrument - Patents Rock - Russell IP
  • Rockin’ Patent: US Patent No. 644,695
  • Filed: 21 August 1899
  • In the name of: John M A Stroh
  • Title: Violin Or Other Stringed Instrument
  • What’s claimed: “A stringed musical instrument, comprising in its construction a bridge supporting the strings, a rocking lever connected with the said bridge and supporting the same, a diaphragm held and supported at the edges and adapted to oscillate in the center, a transmitting device situated between the extremity of the rocking lever and the diaphragm and adapted to transmit oscillations from the said lever to the diaphragm, a resonator situated in proximity to the diaphragm and adapted to receive and distribute the waves of air caused by the vibrations of the diaphragm, and a body portion adapted to support the rocking lever diaphragm and resonator and to connect these parts with the parts holding the ends of the strings, substantially as described.”
  • Why this patent rocks: This patent appears to be the Stroh Violin, invented by electrical engineer John M A Stroh in 1899. The Stroh Violin is a type of stringed musical instrument that is mechanically amplified by a metal resonator and horn attached to its body. For more information, see here.

If you’re a patent-savvy music tech business looking for patent help, get in touch with Russell IP here!

The information above is for general interest and information only and does not constitute legal advice.

Share the Post:

Related Posts

International Internet Day: Cryptographic Communications System And Method (US 4,405,829 A)

Celebrating International Internet Day: Five Patents That Have Shaped the Internet

Celebrating International Internet Day: Five Patents That Have Shaped the Internet Introduction: The Dawn Of The Internet Did you know that the first Internet message was just two letters long? On 29 October 1969, the message “lo” marked the beginning of a technology revolution that would change our lives forever. International Internet Day, observed on 29 October each year, commemorates the moment that first message was transmitted over the Advanced Research Projects Agency Network (ARPANET). Interestingly, the intended first message was “login”, but the ARPANET system crashed after only the first two characters had been sent! Over the following 55

Read More
Patent drawing from UK Patent Application Number GB2209587.1 for "Training Device For Lasso/Lariat/Roping Practice"

10 UK Patent Applications of 2023: From Flatpack Coffins to Potato Cheese

10 UK Patent Applications of 2023: From Flatpack Coffins to Potato Cheese Introduction: Exploring Ten UK Patent Applications With UK-Based Inventors Published in 2023 The Guardian recently published an article titled “Flatpack Coffins And Robot Dogs: Patents Applications Show UK Inventions Of 2023”. The article identifies 5,955 UK patent applications published in 2023 with at least one UK-based inventor and highlights ten such patent applications. While the article summarises the technologies described in those ten patent applications, it does not provide direct links to the published patent applications or include detailed information about them. Also, some of the links in

Read More

Gain the Competitive Edge

Let's see how we can help protect your IP

Get in touch using the contact form or the phone number below to see how we can protect your IP.

There’s no obligation to sign up for anything.