On this day (January 9) in 1883, U.S. Patent No. 270,225 issued to Albert H. Kennedy of Rockport, Indiana for a Geometrical Block.

Let's dig in to learn the angles on some interesting education history!

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#patents #history 🗃️

https://buff.ly/4hrdbFx

Maybe these two U.S. patents explain the interest in Greenland, both of which issued to Henry Pemberton of Alleghany, Pennsylvania

1️⃣ U.S. Patent No. 53,865, which issued on April 10, 1866

2️⃣ U.S. Patent No. 64,250, which issued on April 30, 1867

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#patents #history 🗃️

On this day (January 7) in 1873, U.S. Patent No. 134,679 issued to Dr. Rudolph Knaffl of Nashville, Tennessee for an Improvement in Guitars.

His invention does not appear to have been a hit. His son, though, did make it big...in photography.

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#patents #history 🗃️

I bought an antique “Flower Frog” marked with this patent over the weekend. Frogs are new to me…but the thing is beautiful. I’ll post some photos once it arrives.

#patents #antiques

On this day (January 6) in 1914, U.S. Patent No. 1,083,464 issued to Jean Roche of New York (and later, naturally, Dayton, Ohio).

Mr. Roche was truly an aviation pioneer...let's take off on a quick puddle jump tour of his contributions!

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#patents #history 🗃️ #aviation

On this day (January 4th) in 1898, U.S. Patent No. 596,867 issued to Henry H. Frick (*NOT* Henry Clay Frick) of Fricks, Pennsylvania for a Portable Bridge. 🗃️

The drawings of the '867 patent caught my eye - I mean, look at the banks of that stream!

#patents #history

Here's a Google Patents link for a search for patents listing Milton B Reach as the inventor (see my last post) - "about 108 results", having issue dates from 1906 to 1958.

50+ years, 100+ patents. Wow! That's quite a career.

patents.google.com?inventor=Mil...

#inventor #patents

On this day (January 3rd) in 1922, U.S. Patent No. 1,402,537 issued to Milton Reach for a Golf Club Head.

#patents #history

On this day (January 2) in 1917, U.S. Patent No. 1,212,515 issued to Sheldon Leavitt of Chicago for… a pillow.

The invention is quite simple, and is symbolic of my interest in old patents generally - it's an entry point into a fascinating history.

#patents #history #chicago

Happy New Year! 🎉🎉🎉

On this day (January 1) in 1889, U.S. Patent No. 395,640 was granted to William and Otto Thum of Grand Rapids, Michigan, for their sticky invention: fly paper!

#patents #invention #History