https://www.datamp.org/ Recently added patents en-us https://www.datamp.org/patents/displayPatent.php?id=83272&pn=AI8 Nursing or Easy Chair Patentees: Andrew Wood, deceased (Estate of) - Charles Town, Jefferson County VA , S. H. Allemong, Executor - Unknown Unknown Granted:1838-04-25

In the United States, the term "Additional Improvement Patents" refers to a specific, historical category of patents used between 1837 and 1861. Under the Patent Act of 1836, an inventor could add improvements to their already existing patent rather than filing an entirely new application.
This is one of 84,765 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=11989&pn=416,683 Clinometer Patentee: William B. Melick - St. Louis MO Granted:1889-12-03
Manufactured by W. B. Melick Clinometer Co. - St. Louis MO
Assigned to Andrew Leslie - St. Louis MO

Known example marked "W. B. MELICK/PAT"D DEC 3RD/1889" Mantle clock style produced (pic 3). A second example, quite different than the first, appeared in a Brown's auction. Its description said " Melick Patent. 24" stock level vial on top with a Disston & Morss vial surround." See the last picture
This is one of 84,765 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=85472&pn=1,337,899 Jar Wrench and Holder Patentee: Fred F. Girard - Washingtonville OH Granted:1920-04-20
Manufactured by Girard-McIntosh Mfg. Co. - Washingtonville OH

A connecting link attaches the jar holder and jar wrench. The Girard-McIntosh Mfg. Co. advertised "income producing agency" for this and other kitchen utensils and household gadgets. A known example is marked with manufacturer identification and the patent date.
This is one of 84,765 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=13579&pn=353,846 Spirit Level Patentee: Gustavus Cook - Watertown NY Granted:1886-12-07
Manufactured by Davis & Cook - Watertown NY

Claims include a level with a spindle shaped bubble tube supported at its ends and left visible at the middle part, transpatent covers, adjusting mechanism, and a mark on the bubble tube for an index.
This is one of 84,765 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=85462&pn=186,302,524 Improvements in Wrenches Patentee: Richard Bewley Jr. - Uttoxeter, Staffordshire GB Granted:1864-04-12

Swinging hook jaw, with fixed head having a curved toothed surface designed to match a range of sizes of round, hexagonal, etc. Known example marked in part "BEWLEY'S PATENT."
This is one of 84,765 patents currently in the database at datamp.org

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