WebPage 17 - During the last ten months it has been extensively employed in all the collieries under my inspection ; and it gives me the highest pleasure to be able to state, that during that time not the slightest accident by fire has occurred from its use, though several hundreds of lamps are daily employed. " In the parts of mines where fire-damp prevails, … Webfrom the date of patent application filing ++, subject to the payment of maintenance fees. Approximately 90% of the patent documents issued by the PTO in recent years have been utility patents, also referred to as "patents for invention." * Design Patent- Issued for a new, original, and ornamental design for an article of manufacture,
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WebMagneto safety lamp relighter made by the Protector Lamp and Lighting Co. Ltd Coal Mining. 1950. Miners safety lamp Coal Mining. Safety lamp ... from the Royal Commission on Accidents in Mines, 1879-86, maker: Protector Lamp Co., Eccles, marking: Protector lamp patent, 1874-1881. Safety lamp WebApr 2, 2014 · Interesting Facts. In 1914, Garrett Morgan patented a breathing device in the form of a canvas hood—a precursor to the modern gas mask. Garrett Morgan invented the first automatic three-way ... lowest margin trading fees
H. FELDMANN. SAFETY LAMP. 960,869. APPLICATION 21mm …
WebPatents Granted on 1910-??-?? Patents 1 - 15 of 609: Number: Date: Patentee: Title: Type: 945,012: Jan. 04, 1910: W.A. Bernard: Pliers and Similar Tool WebMar 22, 2024 · Patent Public Search. The Patent Public Search tool is a new web-based patent search application that will replace internal legacy search tools PubEast and PubWest and external legacy search tools PatFT and AppFT. Patent Public Search has two user selectable modern interfaces that provide enhanced access to prior art. The new, … WebBuy Old Miners Lamp and get the best deals at the lowest prices on eBay! Great Savings & Free Delivery / Collection on many items. Buy Old Miners Lamp and get ... Old Brass Metal British Wales Vale Colliery Coal Miners Safety Lamps. £65.00. Click & Collect. £7.00 postage. Old Miner's Lamp Mining Carbide VEB Schiffslaternenwerk Branch Line GDR ... jane coughlin facebook waterloo iowa